CN216038832U

CN216038832U - Manual and automatic control system of MBR integrated sewage treatment equipment

Info

Publication number: CN216038832U
Application number: CN202122440122.0U
Authority: CN
Inventors: 庞统; 张希红; 张杨; 杨兆国; 孟祥红
Original assignee: Shandong Kanglu Equipment Installation Co ltd
Current assignee: Guangdong Jin Cong Construction Engineering Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-15
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses an MBR integrated sewage treatment equipment manual and automatic control system, which relates to the technical field of MBRs and comprises a ground surface, an aerobic tank, an aeration tank, a mounting plate, a first water pump, a first water delivery pipe, a second water pump, a third water delivery pipe and a fourth water delivery pipe, wherein the aerobic tank is arranged below the ground surface, the aeration tank is arranged above the ground surface, the first water pump is also arranged above the ground surface, the input end of the first water pump is connected with the first water delivery pipe in a flange manner, the bottom end of the first water delivery pipe extends into the lower part inside the aerobic tank, the output end of the first water pump is connected with the second water delivery pipe in a flange manner, the top end of the second water delivery pipe extends to the upper part inside the aeration tank, the mounting plate is welded above the right side wall of the aeration tank, and the second water pump is fixedly connected to the upper surface of the mounting plate, so that the liquid level of the aeration tank can be adjusted manually without the need of a worker to adjust the water pump in a timing manner, the workload of the workers is reduced, and the workers are convenient to control, and the liquid level of the aeration tank can be manually controlled, so that the effect of manually and automatically controlling the liquid level of the aeration tank is achieved.

Description

Manual and automatic control system of MBR integrated sewage treatment equipment

Technical Field

The utility model relates to the technical field of MBR, in particular to a manual and automatic control system of MBR integrated sewage treatment equipment.

Background

MBR (membrane bioreactor) is a new high-efficient sewage treatment process combining high-efficient membrane separation technology with traditional activated sludge process, it is put into aeration tank with MBR membrane module with unique structure, the water after aerobic aeration and biological treatment, pump out after passing the filter membrane filtration by the pump, MBR sewage treatment has very big difference with traditional sewage treatment method, replace two heavy ponds and tertiary treatment process in the traditional art through the membrane separation equipment, thus obtain high-quality effluent, solved the effluent quality of traditional environmental protection equipment carrying on sewage treatment can't reach the problem that the reuse of reclaimed water requires, the water after MBR sewage treatment can be regarded as municipal water directly or further treated and made various industrial water.

Most of sewage in the aeration tank in the conventional MBR integrated sewage treatment equipment is discharged into the sewage treatment equipment through the water pump after the aerobic tank is aerobic, so that the control work of the liquid level of the aeration tank still needs a worker to observe the liquid level meter at regular time and then finishes by starting and stopping the water pump, the workload is increased, and the control is inconvenient, so that the development of a manual and automatic control system of the MBR integrated sewage treatment equipment is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a manual and automatic control system of MBR (membrane bioreactor) integrated sewage treatment equipment, which aims to solve the problems that the control work of the liquid level of an aeration tank in the conventional MBR integrated sewage treatment equipment in the background art still needs workers to observe a liquid level meter at regular time and then start and stop a water pump, so that the workload is increased and the control is inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: a manual and automatic control system of MBR integrated sewage treatment equipment comprises a ground surface, an aerobic tank, an aeration tank, a mounting plate, a first water pump, a first water delivery pipe, a second water pump, a third water delivery pipe and a fourth water delivery pipe, wherein the aerobic tank is arranged below the ground surface, the aeration tank is arranged above the ground surface, the first water pump is also arranged above the ground surface, the input end of the first water pump is connected with the first water delivery pipe in a flange manner, the bottom end of the first water delivery pipe extends into the lower part inside the aerobic tank, the output end of the first water pump is connected with the second water delivery pipe in a flange manner, the top end of the second water delivery pipe extends into the upper part inside the aeration tank, the mounting plate is welded above the right side wall of the aeration tank, the upper surface of the mounting plate is fixedly connected with the second water pump, the input end of the second water pump is connected with the third water delivery pipe in a flange manner, the bottom end of the third water delivery pipe extends into the lower part inside the aeration tank, the output end of the second water pump is connected with the fourth water delivery pipe in a flange manner, the aerobic tank is connected with the aeration tank through an automatic liquid level control mechanism, and the aerobic tank is connected with the aeration tank through a manual liquid level control mechanism.

Preferably, the automatic control liquid level mechanism comprises a first mounting groove, a second mounting groove, an electric control valve, a first correlation type infrared sensor, a second correlation type infrared sensor and a PLC control cabinet, wherein the left and right symmetry of the lower part of the inner wall of the aeration tank is provided with two first mounting grooves, two first correlation type infrared sensors are fixedly connected inside the first mounting grooves together and are a group of first correlation type infrared sensors, the left and right symmetry of the upper part of the inner wall of the aeration tank is provided with two second mounting grooves, two second correlation type infrared sensors are fixedly connected inside the second mounting grooves together and are a group of second correlation type infrared sensors, a flange of the pipe body of the second water pipe is connected with the electric control valve, and the right side wall of the aeration tank is fixedly connected with the PLC control cabinet.

Preferably, the output end of the first correlation type infrared sensor is in signal connection with the input end of the PLC control cabinet, the output end of the second correlation type infrared sensor is in signal connection with the input end of the PLC control cabinet, and the output end of the PLC control cabinet is electrically connected with the input end of the electric control valve.

Preferably, the right side wall of the aeration tank is also fixedly connected with a buzzer alarm, and the output end of the PLC control cabinet is connected with the input end of the buzzer alarm through an electric wire.

Preferably, manual control liquid level mechanism includes bypass pipe, first manual valve, fifth raceway and the manual valve of second, second raceway pipe shaft flange joint has the bypass pipe, bypass pipe shaft flange joint has first manual valve, aeration tank left side wall bottom weld has the fifth raceway, fifth raceway pipe shaft flange joint has the manual valve of second.

Preferably, the bottom end of the fifth water delivery pipe extends into the upper part of the interior of the aerobic tank, and two ends of the by-pass pipe are positioned at two sides of the valve body of the electric control valve.

Preferably, the bottom end of the third water delivery pipe is fixedly connected with a filter box, the bottom of the filter box is provided with a water inlet hole, and the inside of the filter box is fixedly connected with an MBR.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the matching use of the automatic liquid level control mechanism, when the liquid level in the aeration tank is too low or too high, the automatic liquid level control mechanism can be automatically detected by the first correlation type infrared sensor or the second correlation type infrared sensor, so that signals are transmitted to the PLC control cabinet, the PLC control cabinet transmits electric energy to the electric control valve and the buzzer alarm, and the opening of the electric control valve is controlled to be increased or decreased, so that the water delivery quantity of the second water delivery pipe in the aeration tank is controlled to be increased or decreased, and the function of automatically adjusting the liquid level of the aeration tank is achieved, and the alarm can be given out through the buzzer alarm at the first time, so that a worker can find the liquid level in time;

2. the cooperation through the manual control level mechanism who is equipped with is used, it is slow when automatic control level mechanism inefficacy or reaction, can't in time adjust the aeration tank liquid level, but staff manual control aeration tank liquid level, when the aeration tank liquid level is too high, the staff opens the manual valve of second, because the aeration tank highly is higher than good oxygen pond, so sewage in the aeration tank gets back to in good oxygen pond through fifth water delivery pipe flow under the effect of gravity, thereby reduce the aeration tank liquid level, when the aeration tank liquid level is crossed lowly, the staff opens first manual valve, increase the water delivery volume of second raceway to the aeration tank, thereby improve the aeration tank liquid level.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic circuit diagram of the automatic liquid level control mechanism of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

fig. 4 is an enlarged view of fig. 1 at B.

In the figure: 1. the earth surface; 2. an aerobic tank; 3. an aeration tank; 3-1, mounting a plate; 3-2, a first mounting groove; 3-3, a second mounting groove; 4. a first water pump; 5. a first water delivery pipe; 6. a second water delivery pipe; 7. an electric control valve; 8. a second water pump; 9. a third water delivery pipe; 10. a fourth water delivery pipe; 11. a first correlation infrared sensor; 12. a second correlation infrared sensor; 13. a PLC control cabinet; 14. a bypass pipe; 15. a first manual valve; 16. a fifth water delivery pipe; 17. a second manual valve; 18. a filter box; 19. a water inlet hole; 20. MBR; 21. a buzzer alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides the following technical scheme: referring to fig. 1-4, a manual and automatic control system of an MBR integrated sewage treatment device comprises a ground surface 1, an aerobic tank 2, an aeration tank 3, a mounting plate 3-1, a first water pump 4, a first water pipe 5, a second water pipe 6, a second water pump 8, a third water pipe 9 and a fourth water pipe 10, wherein the aerobic tank 2 is arranged below the ground surface 1, the aeration tank 3 is arranged above the ground surface 1, the first water pump 4 is also arranged above the ground surface 1, the input end of the first water pump 4 is connected with the first water pipe 5 in a flange manner, the bottom end of the first water pipe 5 extends into the lower part of the aerobic tank 2, the output end of the first water pump 4 is connected with the second water pipe 6 in a flange manner, the top end of the second water pipe 6 extends into the upper part of the aeration tank 3, the mounting plate 3-1 is welded above the right side wall of the aeration tank 3, the second water pump 8 is fixedly connected with the upper surface of the mounting plate 3-1, the input end of the second water pump 8 is connected with the third water pipe 9 in a flange manner, the bottom end of the third water pipe 9 extends to the lower part of the interior of the aeration tank 3, the output end of the second water pump 8 is connected with a fourth water pipe 10 in a flange mode, the aerobic tank 2 is connected with the aeration tank 3 through an automatic liquid level control mechanism, the aerobic tank 2 is connected with the aeration tank 3 through a manual liquid level control mechanism, specifically, sewage to be treated enters the aeration tank 3 through the first water pipe 5 and the second water pipe 6 to be subjected to MBR process treatment after being subjected to aerobic treatment in the aerobic tank 2 under the action of the first water pump 4, and the sewage subjected to MBR process treatment is discharged through the third water pipe 9 and the fourth water pipe 10 under the action of the second water pump 8;

further, the automatic liquid level control mechanism comprises a first mounting groove 3-2, a second mounting groove 3-3, an electric control valve 7, a first correlation type infrared sensor 11, a second correlation type infrared sensor 12 and a PLC control cabinet 13, wherein two first mounting grooves 3-2 are symmetrically arranged below the inner wall of the aeration tank 3 from left to right, a group of first correlation type infrared sensors 11 are fixedly connected inside the two first mounting grooves 3-2 together, two second mounting grooves 3-3 are symmetrically arranged above the inner wall of the aeration tank 3 from left to right, a group of second correlation type infrared sensors 12 are fixedly connected inside the two second mounting grooves 3-2 together, a pipe body of the second water conveying pipe 6 is in flange connection with the electric control valve 7, the right side wall of the aeration tank 3 is fixedly connected with the PLC control cabinet 13, the output end of the first correlation type infrared sensor 11 is in signal connection with the input end of the PLC control cabinet 13, the output end of the second correlation infrared sensor 12 is in signal connection with the input end of the PLC control cabinet 13, the output end of the PLC control cabinet 13 is electrically connected with the input end of the electric control valve 7, the right side wall of the aeration tank 3 is also fixedly connected with a buzzer alarm 21, the output end of the PLC control cabinet 13 is in electric wire connection with the input end of the buzzer alarm 21, specifically, the PIR20/31 models are preferably selected for the first correlation infrared sensor 11 and the second correlation infrared sensor 12, because the infrared rays are refracted by sewage when propagating in the sewage, when the water level in the aeration tank 3 is too low, the infrared rays generated by the emitter of the first correlation infrared sensor 11 are not refracted by the sewage any more, the receiver of the first correlation infrared sensor 11 can sense the infrared rays emitted by the emitter, thereby sending a signal that the water level is too low to the PLC control cabinet 13, at the moment, the PLC control cabinet 13 sends an instruction to the electric control valve 7, the opening of the electric control valve 7 is controlled to be increased, so that the water delivery amount of the second water delivery pipe 6 in the aeration tank 3 is increased, the liquid level in the aeration tank 3 is increased, and meanwhile, an instruction is sent to the buzzer alarm 21 to control the buzzer alarm 21 to carry out alarm operation, so that a worker can find out in time that when the water level in the aeration tank 3 is too high, the infrared ray generated by the emitter of the second correlation infrared sensor 12 is refracted by sewage, the receiver of the second correlation infrared sensor 12 can not sense the infrared ray emitted by the emitter any more, so that a signal that the water level is too high is sent to the PLC control cabinet 13, at the moment, the PLC control cabinet 13 sends an instruction to the electric control valve 7 to control the opening of the electric control valve 7 to be reduced, thereby the water delivery amount of the second water delivery pipe 6 in the aeration tank 3 is reduced, the liquid level in the aeration tank 3 is reduced, and meanwhile, the instruction is sent to the buzzer alarm 21, the buzzer alarm 21 is controlled to alarm, so that workers can find the alarm in time, and compared with the prior art, the liquid level of the aeration tank 3 is adjusted manually without timing on and off of the first water pump 4 by the workers, the workload of the workers is reduced, and the control is convenient;

further, the manual liquid level control mechanism comprises a bypass pipe 14, a first manual valve 15, a fifth water pipe 16 and a second manual valve 17, a bypass pipe 14 is connected to a pipe body flange of the second water pipe 6, the first manual valve 15 is connected to a pipe body flange of the bypass pipe 14, the fifth water pipe 16 is welded to the bottom end of the left side wall of the aeration tank 3, the second manual valve 17 is connected to a pipe body flange of the fifth water pipe 16, the bottom end of the fifth water pipe 16 extends into the upper part of the interior of the aerobic tank 2, two ends of the bypass pipe 14 are located on two sides of a valve body of the electric control valve 7, specifically, when the automatic liquid level control mechanism fails or reacts slowly and cannot adjust the liquid level of the aeration tank 3 in time, a worker can manually control the liquid level of the aeration tank 3, when the liquid level of the aeration tank 3 is too high, the worker opens the second manual valve 17, and because the aeration tank 3 is higher than the aerobic tank 2, the sewage in the aeration tank 3 flows back into the aerobic tank 2 through the fifth water pipe 16 under the action of gravity, therefore, the liquid level of the aeration tank 3 is reduced, when the liquid level of the aeration tank 3 is too low, a worker opens the first manual valve 15, so that sewage can directly flow through the electric regulating valve 7 through the bypass pipe 14 without being controlled by the electric regulating valve 7, the water delivery amount of the second water delivery pipe 6 to the aeration tank 3 is increased, and the liquid level of the aeration tank 3 is increased;

further, the bottom end of the third water pipe 9 is fixedly connected with a filter box 18, the bottom of the filter box 18 is provided with a water inlet 19, and the inside of the filter box 18 is fixedly connected with an MBR20, so that sewage entering the aeration tank 3 is treated by an MBR process and then is discharged by the third water pipe 9 and the fourth water pipe 10 under the action of the second water pump 8.

The working principle is as follows: after being treated by the aerobic tank 2, the sewage to be treated enters the aeration tank 3 through the first water pipe 5 and the second water pipe 6 under the action of the first water pump 4 to be treated by the MBR process, and the sewage treated by the MBR process is discharged through the third water pipe 9 and the fourth water pipe 10 under the action of the second water pump 8;

because the infrared ray is refracted by the sewage when the infrared ray is transmitted in the sewage, when the water level in the aeration tank 3 is too low, the infrared ray generated by the emitter of the first correlation infrared sensor 11 is not refracted by the sewage any more, so the receiver of the first correlation infrared sensor 11 can sense the infrared ray emitted by the emitter, so as to send a signal that the water level is too low to the PLC control cabinet 13, at this time, the PLC control cabinet 13 sends an instruction to the electric regulating valve 7, control the opening of the electric regulating valve 7 to increase the water delivery amount of the second water delivery pipe 6 to the aeration tank 3, improve the liquid level in the aeration tank 3, and simultaneously send an instruction to the buzzer alarm 21, control the buzzer alarm 21 to alarm, so that the worker finds in time, when the water level in the aeration tank 3 is too high, the infrared ray generated by the emitter of the second correlation infrared sensor 12 is refracted by the sewage, therefore, the receiver of the second correlation infrared sensor 12 can not sense the infrared rays emitted by the emitter any more, so that a signal that the water level is too high is sent to the PLC control cabinet 13, at the moment, the PLC control cabinet 13 sends an instruction to the electric regulating valve 7 to control the opening of the electric regulating valve 7 to be reduced, so that the water delivery amount of the second water delivery pipe 6 to the aeration tank 3 is reduced, the liquid level in the aeration tank 3 is reduced, and meanwhile, the instruction is sent to the buzzer alarm 21 to control the buzzer alarm 21 to alarm, so that the worker can find the liquid level in time, compared with the prior art, the utility model does not need to manually adjust the liquid level of the aeration tank 3 by the worker to switch the first water pump 4 regularly, reduces the workload of the worker and is convenient to control;

when the automatic control level mechanism became invalid or the reaction was slower, can't in time adjust the 3 liquid levels of aeration tank, but staff manual control aeration tank 3 liquid levels, when 3 liquid levels of aeration tank were too high, staff opens manual valve 17 of second, because aeration tank 3 highly is higher than good oxygen pond 2, so sewage in the aeration tank 3 flows back to good oxygen pond 2 in through fifth raceway 16 under the effect of gravity, thereby reduce aeration tank 3 liquid level, when 3 liquid levels of aeration tank were crossed lowly, staff opens first manual valve 15, make sewage can be by bypass pipe 14 direct flow through electric control valve 7, do not receive electric control valve 7's control, thereby increase the water delivery volume of second raceway 6 to aeration tank 3, thereby improve aeration tank 3 liquid level.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. An MBR integrated sewage treatment equipment manual-automatic control system comprises a ground surface (1), an aerobic tank (2), an aeration tank (3), a mounting plate (3-1), a first water pump (4), a first water delivery pipe (5), a second water delivery pipe (6), a second water pump (8), a third water delivery pipe (9) and a fourth water delivery pipe (10), wherein the aerobic tank (2) is arranged below the ground surface (1), the aeration tank (3) is arranged above the ground surface (1), the first water pump (4) is also arranged above the ground surface (1), the input end of the first water pump (4) is in flange connection with the first water delivery pipe (5), the bottom end of the first water delivery pipe (5) extends into the lower part inside the aerobic tank (2), the output end of the first water pump (4) is in flange connection with the second water delivery pipe (6), the top end of the second water delivery pipe (6) extends into the upper part inside the aeration tank (3), the mounting plate (3-1) is welded above the right side wall of the aeration tank (3), fixed surface is connected with second water pump (8) on mounting panel (3-1), and second water pump (8) input flange joint has third raceway (9), and third raceway (9) bottom extends to aeration tank (3) inside below, and second water pump (8) output flange joint has fourth raceway (10), its characterized in that: the aerobic tank (2) is connected with the aeration tank (3) through an automatic liquid level control mechanism, and the aerobic tank (2) is connected with the aeration tank (3) through a manual liquid level control mechanism.

2. The MBR-integrated sewage treatment equipment manual and automatic control system according to claim 1, characterized in that: the automatic liquid level control mechanism comprises first mounting grooves (3-2), second mounting grooves (3-3), an electric regulating valve (7), a first correlation type infrared sensor (11), a second correlation type infrared sensor (12) and a PLC control cabinet (13), wherein two first mounting grooves (3-2) are arranged below the inner wall of the aeration tank (3) in bilateral symmetry, a group of first correlation type infrared sensors (11) are fixedly connected inside the two first mounting grooves (3-2) together, two second mounting grooves (3-3) are arranged above the inner wall of the aeration tank (3) in bilateral symmetry, a group of second correlation type infrared sensors (12) are fixedly connected inside the two second mounting grooves (3-3) together, and the pipe body of the second water conveying pipe (6) is in flange connection with the electric regulating valve (7), and the right side wall of the aeration tank (3) is fixedly connected with a PLC control cabinet (13).

3. The MBR-integrated sewage treatment equipment manual and automatic control system according to claim 2, characterized in that: the output end of the first correlation type infrared sensor (11) is in signal connection with the input end of the PLC control cabinet (13), the output end of the second correlation type infrared sensor (12) is in signal connection with the input end of the PLC control cabinet (13), and the output end of the PLC control cabinet (13) is electrically connected with the input end of the electric control valve (7).

4. The MBR-integrated sewage treatment equipment manual and automatic control system according to claim 2, characterized in that: the right side wall of the aeration tank (3) is also fixedly connected with a buzzer alarm (21), and the output end of the PLC control cabinet (13) is connected with the input end of the buzzer alarm (21) through an electric wire.

5. The MBR-integrated sewage treatment equipment manual and automatic control system according to claim 1, characterized in that: the manual control liquid level mechanism comprises a bypass pipe (14), a first manual valve (15), a fifth water pipe (16) and a second manual valve (17), a pipe body flange of the second water pipe (6) is connected with the bypass pipe (14), the pipe body flange of the bypass pipe (14) is connected with the first manual valve (15), the fifth water pipe (16) is welded at the bottom end of the left side wall of the aeration tank (3), and the pipe body flange of the fifth water pipe (16) is connected with the second manual valve (17).

6. The MBR-integrated sewage treatment equipment manual and automatic control system according to claim 5, wherein: the bottom end of the fifth water delivery pipe (16) extends into the upper part inside the aerobic tank (2), and two ends of the by-pass pipe (14) are positioned at two sides of the valve body of the electric regulating valve (7).

7. The MBR-integrated sewage treatment equipment manual and automatic control system according to claim 1, characterized in that: the bottom end of the third water delivery pipe (9) is fixedly connected with a filter box (18), the bottom of the filter box (18) is provided with a water inlet hole (19), and the interior of the filter box (18) is fixedly connected with an MBR (20).