A sewage treatment plant ammonia nitrogen treatment system and non-stop maintenance method

Abstract

The application provides a sewage treatment plant ammonia nitrogen treatment system and a non-stop maintenance method, and belongs to the technical field of non-stop maintenance of sewage treatment plants. The sewage treatment plant ammonia nitrogen treatment system comprises a treatment chamber, an ammonia nitrogen treatment tank is arranged in the treatment chamber, the ammonia nitrogen treatment tank comprises multiple treatment tanks and a group of standby tanks, an exhaust system is arranged above the ammonia nitrogen treatment tank in the treatment chamber, adjacent treatment tanks and the standby tank are communicated through bidirectional channels, and the bidirectional channels are used for connecting the tank liquid in the ammonia nitrogen treatment tank in series; sealing mechanisms are fixedly connected to the top of the treatment tank and the standby tank, the sealing mechanisms comprise guide grooves, drive motors, transmission shafts and sealing plates; and the application can solve the problem that the equipment needs to be completely stopped during the maintenance process of the treatment equipment of the sewage treatment plant.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of non-stop maintenance of sewage treatment plants, and in particular relates to a sewage treatment plant ammonia nitrogen treatment system and a non-stop maintenance method. BACKGROUND

[0002] In the process of ammonia nitrogen removal, some sewage treatment plants use nitrification and denitrification processes, which is a method of converting ammonia nitrogen into nitrate or nitrogen gas by bacteria. However, the gas nitrogen oxides (such as nitric oxide, nitrogen dioxide, etc.) produced in the denitrification process can harm the human body. These gases have a stimulating effect on the respiratory system, and high concentrations of nitrogen oxides can cause symptoms such as rapid breathing, coughing, chest pain, and difficulty breathing, and even in high concentrations for a long time, it can cause serious health problems. As for long-term exposure to an environment containing high concentrations of harmful gases, even if protective equipment is worn, harmful gases not only enter the body through the respiratory tract, but also are absorbed through the skin; long-term exposure can cause skin sensitivity, irritation, or other adverse reactions.

[0003] Usually, during maintenance of the relevant treatment tank and equipment, maintenance personnel will wear protective masks or protective clothing to work, and perform work inside the protective clothing, which can easily cause the maintenance personnel to feel hot and humid, which is not conducive to the subsequent long-term work, and there is a problem of the need for full stoppage of the equipment during maintenance. SUMMARY

[0004] Therefore, the present application provides a sewage treatment plant ammonia nitrogen treatment system and a non-stop maintenance method, which can solve the problem of the need for full stoppage of the equipment during maintenance of the treatment equipment.

[0005] The present application is implemented as follows:

[0006] The application provides a sewage treatment plant ammonia nitrogen treatment system, comprising a treatment chamber, wherein an ammonia nitrogen treatment tank is arranged in the treatment chamber, the ammonia nitrogen treatment tank comprises a plurality of treatment tanks and a standby tank, an exhaust system is arranged above the ammonia nitrogen treatment tank in the treatment chamber, a double-way channel is arranged between adjacent treatment tanks and the standby tank, and the double-way channel is used for connecting the tank liquid in the ammonia nitrogen treatment tank in series.

[0007] The ammonia nitrogen treatment system has the following technical effects: the tank liquid is connected in series through the plurality of treatment tanks and the standby tank arranged in the treatment chamber and the double-way channel; the harmful gas generated during maintenance of the tank liquid is prevented from leaking through the sealing mechanism; the harmful gas is collected in the gas collecting bottle through the collection cavity and the gas compressor; the harmful gas generated during maintenance is prevented from leaking; the harmful gas concentration in the treatment chamber is reduced through the exhaust system, and the health of the maintenance personnel is protected; the treatment tanks are sequentially and individually stopped for maintenance according to the maintenance sequence; the maintenance efficiency of the ammonia nitrogen treatment tank is improved, the ammonia nitrogen treatment is smoothly performed during maintenance, and non-stop maintenance is realized.

[0008] Based on the above technical scheme, the ammonia nitrogen treatment system of the sewage treatment plant can be further improved as follows:

[0009] The double-way channel comprises two groups of one-way water drainage channels, one end of one group of the one-way water drainage channels is arranged at the bottom of the treatment tank and the standby tank, the other end of the one-way water drainage channel is arranged on the side wall of the adjacent treatment tank, and the one-way water drainage channel is used for guiding the tank liquid in the treatment tank and the standby tank into the adjacent treatment tank; and the flow direction of the other group of the one-way water drainage channels is reversely arranged.

[0010] The improvement scheme has the following beneficial effects: the corresponding one-way water drainage channels are arranged to connect the tank liquid between the adjacent treatment tanks and the standby tank in series, the tank liquid is conveniently emptied and exchanged, and the single treatment tank is conveniently maintained and cleaned after being emptied.

[0011] Further, the inside of the one-way drainage channel is provided with a submersible motor, the output end of the submersible motor is fixedly connected with a rotor, the rotor is fixedly connected with a blade, the front end of the one-way drainage channel is provided with a barrier net, and the inside of the one-way drainage channel is further provided with a valve.

[0012] The beneficial effects of the above improvement scheme are that: by setting the submersible motor, the rotor is driven to rotate to generate centrifugal force, the water flow opposite to one end of the one-way drainage channel is attracted to flow out through the other end of the one-way drainage channel, the barrier net is set to block large particles to prevent the one-way drainage channel from being blocked; and the valve is set to control the opening or closing of the one-way drainage channel.

[0013] Further, the output end of the driving motor is fixedly connected with a driving gear, one end of the transmission shaft close to the driving motor is fixedly connected with a driven gear, the driving gear and the driven gear are transmissionally connected through the gear belt, and one group of master control boxes is arranged at the position corresponding to each group of sealing mechanisms in the treatment chamber.

[0014] The beneficial effects of the above improvement scheme are that: by setting the guide groove, the driving motor, the transmission shaft, the sealing plate and the gear belt, the driving gear at the output end of the driving motor is used to drive the transmission shaft to rotate through the gear belt, the transmission shaft is used to drive the sealing plate to open or close along the guide groove, and the sealing plate is used to realize the sealing of the treatment tank and the standby tank after being closed.

[0015] Further, limit contact blocks are arranged at the two sides of the end of the sealing plate away from the driving motor, sensors are arranged in the guide groove corresponding to the positions of the limit contact blocks, a controller is arranged in the master control box, the sensors are electrically connected with the controller, the gas compressor is electrically connected with the controller through a control circuit, and a Bluetooth control unit is arranged on the controller.

[0016] The beneficial effects of the above improvement scheme are that: the master control box is used to control the opening of the driving motor, the Bluetooth control unit on the controller can be used to realize remote device connection and Bluetooth control; the limit contact blocks and the sensors are arranged, the sensors are electrically connected with the controller, and when the sensors contact the limit contact blocks, signals are sent to the controller, and the controller is used to control the opening of the gas compressor to compress and store the generated harmful gas.

[0017] The present application provides a kind of ammonia nitrogen treatment system not maintenance method of sewage treatment plant, comprising the following steps:

[0018] S10: control and close the sealing plate at the top of ammonia nitrogen treatment pool, and open gas compressor;

[0019] S20: reducing the concentration of indoor harmful gas by starting the indoor exhaust system;

[0020] S30: the maintenance personnel wearing protective equipment enter the treatment room, empty the treatment pool one by one according to the maintenance sequence, and maintain the treatment pool.

[0021] On the basis of the above technical scheme, the ammonia nitrogen treatment system of the sewage treatment plant non-stop maintenance method can be further improved as follows:

[0022] Further, the specific steps of the control closing the sealing plate at the top of the ammonia nitrogen treatment pool and starting the gas compressor include:

[0023] First step: through the Bluetooth connection main control box control drive motor sealing plate along the guide groove closing, sealing the treatment pool and standby pool;

[0024] Second step: after the sealing plate is closed, the limit contact block at the end of the sealing plate contacts the inductor of the guide groove, and the corresponding gas compressor is started through the controller;

[0025] Third step: the gas compressor compresses the newly generated harmful gas in the pool into the gas collecting bottle for storage.

[0026] Further, the specific steps of reducing the concentration of indoor harmful gas by starting the indoor exhaust system include:

[0027] First step: after closing the sealing plate, start the exhaust fan in the treatment room to introduce the gas into the exhaust channel;

[0028] Second step: after the gas enters the inside of the exhaust channel and is filtered by the particle filter, the gas is compressed into the gas tank by the air compressor, and after the gas is treated twice to meet the standard, it is discharged outdoors;

[0029] Third step: start the air inlet fan in the treatment room to introduce fresh air from outside into the room to reduce the concentration of indoor harmful gas.

[0030] Further, the specific steps of discharging the gas outdoors after the secondary treatment to meet the standard include:

[0031] First step: after the gas is compressed into the gas tank, the gas is released slowly by adjusting the gas output through the pressure regulating valve;

[0032] Second step: in the slow release process, the harmful components in the gas are adsorbed by the gas purification equipment by selecting adsorbent;

[0033] Third step: mix the treated gas and air, and detect them by the gas monitoring equipment, and discharge them outdoors after confirming that the treated gas meets the discharge standard.

[0034] Further, the maintenance personnel wear protective equipment to enter the treatment room, and the specific steps of emptying the treatment pool one by one according to the maintenance sequence and maintaining the treatment pool include:

[0035] First step: the maintenance personnel first empty the treatment pool adjacent to the standby pool, start the submersible motor of the one-way drainage channel on one side, and open the valve in the channel to guide the pool liquid into the standby pool;

[0036] Second step: after the pool liquid is emptied, the corresponding sealing plate is controlled to be opened through the main control box, so that the maintenance personnel enter the emptied treatment pool, clean the deposits in the pool and the bottom of the connecting pipeline, and check the state of the connecting valve, sensor and ammonia nitrogen treatment equipment in the pool to ensure that they can maintain normal operation, and repair or replace them in time if abnormalities are found;

[0037] Third step: according to the maintenance sequence, the next group of treatment pools are selected to be the treatment pools adjacent to the treatment pools after maintenance, and the pool liquid is guided into the treatment pools after maintenance in the same emptying mode. During maintenance, the treatment pools filled with pool liquid remain in the running state. The harmful gases generated in the pool liquid during maintenance are compressed by the gas compressor inside the collection cavity and stored in the gas collection bottle. After the maintenance is completed, the harmful gases are discharged into the treatment room.

[0038] Compared with the prior art, the sewage treatment plant ammonia nitrogen treatment system and non-stop maintenance method provided by the application have the beneficial effects that: by arranging multiple treatment pools and standby pools inside the treatment room and connecting them through the two-way channel, the series treatment of the pool liquid is realized; by arranging the sealing mechanism, the leakage of harmful gases generated during maintenance can be prevented, and the harmful gases can be collected by the collector and the gas compressor and stored in the sensor to prevent the leakage of harmful gases during maintenance; by arranging the exhaust system, the concentration of harmful gases in the room is reduced to protect the health of the maintenance personnel; by maintaining the treatment pools one by one according to the maintenance sequence, the maintenance efficiency of the ammonia nitrogen treatment pool can be effectively improved, the maintenance process can also maintain the smooth progress of ammonia nitrogen treatment, and non-stop maintenance is realized. BRIEF DESCRIPTION OF DRAWINGS

[0039] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the application. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0040] Figure 1 is a schematic view of a treatment room of a sewage treatment plant ammonia nitrogen treatment system;

[0041] Figure 2 It is a local schematic view of a sealing structure of an ammonia nitrogen treatment system of a sewage treatment plant.

[0042] Figure 3 It is a schematic view of a one-way drainage channel of an ammonia nitrogen treatment system of a sewage treatment plant.

[0043] Figure 4 It is a schematic view of an inductor of an ammonia nitrogen treatment system of a sewage treatment plant.

[0044] Figure 5 It is a flow chart of a non-stop operation maintenance method of an ammonia nitrogen treatment system of a sewage treatment plant.

[0045] In the drawings, the components represented by each reference numeral are listed as follows:

[0046] 10, ammonia nitrogen treatment tank; 11, treatment tank; 12, standby tank; 13, treatment chamber; 14, two-way channel; 15, guide groove; 16, driving motor; 17, transmission shaft; 18, sealing plate; 19, gear belt; 20, collection cavity; 21, gas compressor; 22, inductor; 23, one-way drainage channel; 24, submersible motor; 25, rotor; 26, barrier net; 27, valve; 28, main control box; 29, limit contact block. DETAILED DESCRIPTION

[0047] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application.

[0048] As Figures 1-4 shown, it is an embodiment of an ammonia nitrogen treatment system of a sewage treatment plant provided by the present application, in the embodiment, a treatment chamber 13 is included, and an ammonia nitrogen treatment tank 10 is arranged inside the treatment chamber 13, wherein the ammonia nitrogen treatment tank 10 includes multiple groups of treatment tanks 11 and one group of standby tanks 12, an exhaust system is arranged inside the treatment chamber 13 and above the ammonia nitrogen treatment tank 10, two-way channels 14 are arranged between adjacent treatment tanks 11 and standby tanks 12 and are used for connecting the tank liquid inside the ammonia nitrogen treatment tank 10 in series, sealing mechanisms are fixedly connected to the top of each of the treatment tanks 11 and the standby tanks 12, the sealing mechanism includes a guide groove 15, a driving motor 16, a transmission shaft 17 and a sealing plate 18, the output end of the driving motor 16 is in transmission connection with the transmission shaft 17 through a gear belt 19, the two sides of the sealing plate 18 are in sliding connection with the guide groove 15 through a hinge, one end of the sealing plate 18 is fixedly connected with the guide groove 15 through a fixing belt, the sealing mechanism further includes a collection cavity 20, the inside of the collection cavity 20 is connected with a gas compressor 21 through a gas collecting nozzle, the gas compressor 21 is connected with a gas collecting bottle through a gas pipe, and the gas compressor 21 is used for compressing the generated harmful gas and then guiding the harmful gas into the gas collecting bottle for storage.

[0049] The gas collecting bottle is arranged in the underground chamber of the treatment chamber 13, connected with the gas compressor 21 through the gas pipe, used for storing compressed gas and provided with a pressure regulating valve for facilitating the regulation of the uniform pressure exhaust, and connected with the inside of the treatment chamber 13 through the conduit.

[0050] The ammonia-nitrogen treatment tank 10 is internally provided with an accelerated ammonia-nitrogen treatment module, which comprises an aeration system and a biofilm reactor, used for accelerating the treatment of ammonia-nitrogen and improving the efficiency of wastewater treatment while ensuring the compliance with the environmental protection emission standard.

[0051] In the above technical solution, the two-way channel 14 comprises two groups of one-way drainage channels 23, one end of one group of the one-way drainage channels 23 is arranged at the bottom of the treatment tank 11 and the standby tank 12, the other end of the one-way drainage channel 23 is arranged on the side wall of the adjacent treatment tank 11, used for guiding the tank liquid inside the treatment tank 11 and the standby tank 12 into the adjacent treatment tank 11, and the flow direction of the other group of the one-way drainage channels 23 is reversely arranged.

[0052] Further, in the above technical solution, the one-way drainage channel 23 is internally provided with a submersible motor 24, the output end of the submersible motor 24 is fixedly connected with a rotor 25, the rotor 25 is fixedly connected with blades, the front end of the one-way drainage channel 23 is provided with a barrier net 26, and the one-way drainage channel 23 is internally further provided with a valve 27.

[0053] Further, in the above technical solution, the output end of the driving motor 16 is fixedly connected with a driving gear, one end of the transmission shaft 17 close to the driving motor 16 is fixedly connected with a driven gear, the driving gear and the driven gear are transmissionally connected through the gear belt 19, and the inside of the treatment chamber 13 is provided with a group of master control boxes 28 corresponding to the position of each group of sealing mechanisms, the master control box 28 is used for controlling the driving motor 16 to drive the sealing plate 18 to realize the opening and closing.

[0054] Further, in the above technical solution, the two sides of the end of the sealing plate 18 away from the driving motor 16 are provided with limiting contact blocks 29, the inside of the guide groove 15 is provided with sensors 22 corresponding to the position of the limiting contact blocks 29, the inside of the master control box 28 is provided with a controller, the sensor 22 is electrically connected with the controller, the gas compressor 21 is electrically connected with the controller through a control line, and the controller is provided with a Bluetooth control unit.

[0055] As shown in Figure 5 The flow chart of the ammonia-nitrogen treatment system non-stop maintenance method of the sewage treatment plant provided by the application is shown in the figure, which comprises the following steps:

[0056] S10: control the sealing plate at the top of the ammonia-nitrogen treatment tank to be closed, and start the gas compressor;

[0057] S20: Reduce the concentration of indoor harmful gas by opening the indoor exhaust system;

[0058] S30: Maintenance personnel wear protective equipment to enter the processing chamber, empty the processing pool one by one according to the maintenance sequence, and maintain the processing pool.

[0059] Further, in the above technical solution, the specific steps of controlling the closing of the sealing plate at the top of the ammonia nitrogen processing pool and opening the gas compressor include:

[0060] First step: through the Bluetooth connection main control box control drive motor sealing plate along the guide groove closing, sealing processing pool and spare pool;

[0061] Second step: After the sealing plate is closed, the limit contact block at the end of the sealing plate contacts the inductor of the guide groove, and the corresponding gas compressor is opened through the controller;

[0062] Third step: The gas compressor will introduce the newly generated harmful gas in the pool into the gas collection bottle for compression storage.

[0063] Further, in the above technical solution, the specific steps of reducing the concentration of indoor harmful gas by opening the indoor exhaust system include:

[0064] First step: After closing the sealing plate, open the exhaust fan in the processing chamber to introduce the gas into the exhaust channel;

[0065] Second step: After the gas enters the inside of the exhaust channel and is filtered by the particle filter, the gas is compressed into the gas tank by the air compressor, and after the gas is treated twice to meet the standard, it is discharged outdoors;

[0066] Third step: Open the air inlet fan in the processing chamber to introduce fresh air from the outside into the room to reduce the concentration of indoor harmful gas.

[0067] Further, in the above technical solution, the specific steps of treating the gas twice to meet the standard and then discharging it outdoors include:

[0068] First step: After the gas is compressed into the gas tank, adjust the gas output through the pressure regulating valve to release the gas slowly;

[0069] Second step: In the slow release process, the gas purification equipment selects adsorbent to adsorb harmful components in the gas;

[0070] Third step: Mix the treated gas and air, and detect it through the gas monitoring equipment. After confirming that the treated gas meets the discharge standard, discharge it outdoors.

[0071] The adsorbent is loaded into the gas purification device; the loading amount of the adsorbent needs to be determined according to the flow of the treatment gas; it needs to be noted that too much loading amount will cause the device to be blocked, and too little loading amount will not be able to effectively adsorb the harmful components.

[0072] In the gas purification device, the treatment gas is introduced into the adsorbent bed layer through the gas flow; the adsorbent in the adsorbent bed layer will adsorb the harmful components in the gas to form saturated adsorbent. When the adsorbent is saturated, the adsorbent needs to be regenerated to restore the adsorption capacity of the adsorbent; after the adsorbent is regenerated, it can continue to adsorb the harmful components in the treatment gas. In the adsorption process, the gas is circulated, the temperature, pressure and other parameters of the gas are controlled through the gas purification device to ensure the smooth progress of the adsorption process.

[0073] In the above technical scheme, when the harmful components in the treatment gas are adsorbed by the adsorbent, the purified gas can be discharged through the discharge pipeline; attention needs to be paid to the concentration of the discharged gas to ensure that the discharge meets the environmental protection standards.

[0074] Further, in the above technical scheme, the maintenance personnel wear protective equipment to enter the treatment room, and the specific steps of emptying the treatment pool one by one according to the maintenance sequence and maintaining the treatment pool include:

[0075] First step: the maintenance personnel first empty the treatment pool adjacent to the standby pool, start the submersible motor of the one-way drainage channel on one side, and open the valve in the channel to introduce the pool liquid into the standby pool;

[0076] Second step: after the pool liquid is emptied, the corresponding sealing plate is controlled to be opened through the main control box, so that the maintenance personnel enter the emptied treatment pool, clean the deposits in the pool and the bottom of the pool, and check the state of the pool connection valve, sensor and ammonia nitrogen treatment equipment to ensure that they can maintain normal operation, and repair or replace them in time if abnormalities are found;

[0077] Third step: according to the maintenance sequence, the next group of treatment pools are selected as the treatment pools adjacent to one side of the treatment pool after maintenance, and the pool liquid is introduced into the treatment pool after maintenance in the same emptying mode; during maintenance, the treatment pool filled with pool liquid maintains the running state, and the harmful gas generated in the pool liquid during maintenance is compressed by the gas compressor inside the collection cavity and stored in the gas collection bottle, and then discharged into the treatment room after the maintenance is completed.

Claims

1. An ammonia nitrogen treatment system for a wastewater treatment plant, comprising a treatment chamber (13), wherein an ammonia nitrogen treatment tank (10) is provided inside the treatment chamber (13), characterized in that, The ammonia nitrogen treatment tank (10) includes multiple treatment tanks (11) and a set of backup tanks (12). The treatment chamber (13) is equipped with an exhaust system located above the ammonia nitrogen treatment tank (10). Adjacent treatment tanks (11) and backup tanks (12) are connected by bidirectional channels (14), which are used to connect the tank liquid inside the ammonia nitrogen treatment tank (10) in series. The tops of the treatment tanks (11) and backup tanks (12) are fixedly connected with sealing mechanisms, which include guide grooves (15), drive motors (16), transmission shafts (17), and sealing plates (18). The output end of the drive motor (16) is connected to the transmission shaft (17) via a gear belt (19). The two sides of the sealing plate (18) are slidably connected to the guide groove (15) via hinges. One end of the sealing plate (18) is fixedly connected to the guide groove (15) via a fixing belt. The sealing mechanism also includes a collection chamber (20). The inside of the collection chamber (20) is connected to a gas compressor (21) via a gas collecting nozzle. The gas compressor (21) is connected to a gas collecting bottle via a gas pipe. The gas compressor (21) is used to compress the generated harmful gases and then introduce them into the gas collecting bottle for storage.

2. The ammonia nitrogen treatment system for a wastewater treatment plant according to claim 1, characterized in that, The bidirectional channel (14) includes two sets of unidirectional drainage channels (23). One end of one set of unidirectional drainage channels (23) is located at the bottom of the treatment tank (11) and the backup tank (12), and the other end of the unidirectional drainage channel (23) is located on the side wall of the adjacent treatment tank (11). It is used to guide the pool liquid inside the treatment tank (11) and the backup tank (12) into the adjacent treatment tank (11). The other set of unidirectional drainage channels (23) has the opposite flow direction.

3. The ammonia nitrogen treatment system for a wastewater treatment plant according to claim 2, characterized in that, The one-way drainage channel (23) is equipped with a submersible motor (24), and a rotor (25) is fixedly connected to the output end of the submersible motor (24). A blade is fixedly connected to the rotor (25). A barrier net (26) is provided at the front end of the one-way drainage channel (23). A valve (27) is also provided inside the one-way drainage channel (23).

4. The ammonia nitrogen treatment system for a wastewater treatment plant according to claim 3, characterized in that, The output end of the drive motor (16) is fixedly connected to a drive gear, and the end of the transmission shaft (17) near the drive motor (16) is fixedly connected to a driven gear. The drive gear and the driven gear are connected by a gear belt (19). A main control box (28) is provided inside the processing chamber (13) corresponding to the position of each sealing mechanism. The main control box (28) is used to control the drive motor (16) to drive the sealing plate (18) to open and close.

5. The ammonia nitrogen treatment system for a wastewater treatment plant according to claim 4, characterized in that, Limiting contact blocks (29) are provided on both sides of the end of the sealing plate (18) away from the drive motor (16). A sensor (22) is provided inside the guide groove (15) corresponding to the position of the limiting contact block (29). A controller is provided inside the main control box (28). The sensor (22) is electrically connected to the controller. The gas compressor (21) is electrically connected to the controller through a control line. A Bluetooth control unit is provided on the controller.

6. A method for maintaining an ammonia nitrogen treatment system in a wastewater treatment plant without interrupting operation, applicable to the ammonia nitrogen treatment system in a wastewater treatment plant as described in claim 5, characterized in that, Includes the following steps: S10: Control the closing of the sealing plate at the top of the ammonia nitrogen treatment tank and turn on the gas compressor; S20: Reduce the concentration of harmful gases indoors by turning on the indoor exhaust system; S30: Maintenance personnel wearing protective equipment enter the treatment room and empty the treatment tanks one by one according to the maintenance sequence. The specific steps are as follows: First, the maintenance personnel empty the treatment tank adjacent to the standby tank, turn on the submersible motor of the one-way drainage channel on one side, and open the valve in the channel to introduce the tank liquid into the standby tank; after the tank liquid is emptied, the corresponding sealing plate is opened through the main control box, allowing the maintenance personnel to enter the emptied treatment tank, clean the connecting pipes and sediment at the bottom of the tank, and check the status of the connecting valves, sensors and ammonia nitrogen treatment equipment in the tank to ensure that they can maintain normal operation. If any abnormality is found, it should be repaired or replaced in time; according to the maintenance sequence, the next group of treatment tanks is the treatment tank adjacent to the treatment tank after maintenance. The tank liquid is introduced into the maintenance-completed treatment tank in the same way. During maintenance, the treatment tank filled with tank liquid remains in operation. During maintenance, the harmful gases generated in the tank liquid are compressed and stored in the gas collection bottle by the gas compressor inside the collection chamber. After all maintenance is completed, they are discharged into the treatment room.

7. A method for non-stop maintenance of an ammonia nitrogen treatment system in a wastewater treatment plant according to claim 6, characterized in that, The specific steps for controlling the closure of the sealing plate at the top of the ammonia nitrogen treatment tank and starting the gas compressor include: Step 1: Connect the main control box via Bluetooth to control the drive motor to move the sealing plate along the guide groove to close, sealing the treatment pool and the backup pool; Step 2: After the sealing plate is closed, the limit contact block at the end of the sealing plate contacts the sensor in the guide groove, and the corresponding gas compressor is turned on by the controller. Step 3: The gas compressor will introduce the newly generated harmful gases in the pool into the gas collection bottle for compression and storage.

8. A method for non-stop maintenance of an ammonia nitrogen treatment system in a wastewater treatment plant according to claim 7, characterized in that, The specific steps for reducing the concentration of harmful gases indoors by turning on the indoor exhaust system include: Step 1: After closing the sealing plate, turn on the exhaust fan in the treatment room to introduce gas into the exhaust channel; Step 2: After the gas enters the exhaust channel and is filtered by a particulate filter, it is compressed into the gas tank by an air compressor. The gas is then further treated to meet the standards before being discharged outdoors. Step 3: Turn on the air intake fan in the treatment room to bring in fresh air from outside and reduce the concentration of harmful gases indoors.

9. A method for non-stop maintenance of an ammonia nitrogen treatment system in a wastewater treatment plant according to claim 8, characterized in that, The specific steps for secondary treatment of the gas to meet the standards before outdoor discharge include: Step 1: After the gas is compressed and enters the gas tank, the gas output is adjusted by the pressure regulating valve to release the gas slowly; Step 2: During the slow release process, the gas purification equipment selects an adsorbent to adsorb harmful components in the gas; Step 3: Mix the treated gas with air and test it using gas monitoring equipment. Once the treated gas meets the emission standards, it will be released outdoors.

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