CN213680221U - Apply to multistage sewage treatment's automated control system - Google Patents

Abstract

The utility model provides an apply to multistage sewage treatment's automatic control system, automatic control system includes filtering ponds, sedimentation tank, clean water basin, pond, metal water pipe, water pump, solenoid valve, electronic proportional valve, level sensor, flow sensor, water quality testing sensor and switch board, and sewage passes through the filtering pond, sedimentation tank and clean water basin and handles, flows into the pond, carries out automated control according to the work requirement by PLC300 in the switch board, sets up parameter and state control by the siemens touch-sensitive screen, and the simple operation, degree of automation is high.

Description

Apply to multistage sewage treatment's automated control system

Technical Field

The utility model belongs to the technical field of it is electric, involve an apply to multistage sewage treatment's automated control system.

Background

Along with the urbanization expansion and the manufacture of factory products, the breeding of bacteria in a large amount of local water resources, the death of aquatic organisms and the accumulation of solid waste are realized, the domestic water of people is difficult to guarantee, the traditional sewage treatment system generally comprises a sewage treatment device, a sewage storage tank and a disinfection device, the water quantity for sewage treatment is small, the specified water quality requirement cannot be met, a specially-assigned person is required to supervise the treatment system, the treated sewage quantity cannot be accurately calculated, and a new technical scheme is necessary to be provided according to the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an apply to multistage sewage treatment's automated control system, automated control system can run for a long time, and sewage treatment's quality of water can reach required requirement, and sewage treatment capacity is big, can move according to the operational requirement.

The utility model relates to an automatic control system applied to multi-stage sewage treatment, which comprises a filter tank, a sedimentation tank, a clean water tank, a metal water pipe, a water pump, a solenoid valve, an electric proportional valve, a liquid level sensor, a flow sensor, a water quality detection sensor and a control cabinet; the upper end of the filter tank is connected with the sewage tank through a metal water pipe, and a water pump is installed; the bottom end of the filtering tank is connected with the sewage draining channel through a metal water pipe, the electromagnetic valve is arranged, and the filtering system and the liquid level sensor are arranged in the filtering tank; the upper end of the sedimentation tank is connected with the bottom end of the filtering tank through a metal water pipe, the sedimentation tank is provided with an electromagnetic valve, the sedimentation tank is internally provided with a liquid level sensor and a water quality monitoring sensor, the sedimentation tank is connected with a clean water tank through a metal water pipe, and the sedimentation tank is provided with an electric proportional valve; the lower end of the clean water tank is connected with the water tank through a metal water pipe, an ultraviolet sterilization device is installed in the clean water tank, and a water quality monitoring sensor is installed in the clean water tank; the control cabinet comprises a cabinet plate and a cabinet body; the cabinet board is provided with 3 air switches, 2 air switches, a contactor, a thermal relay, an intermediate relay, a switching power supply and a PLC 300; the PLC300 comprises a power module, a CPU module, a DI module, a DO module, an AI module and an AQ module which are connected through an internal communication terminal; the 3 air switches are connected with an alternating current power supply 380V and connected with the water pump through a contactor and a thermal relay; the intermediate relay is provided with an intermediate relay base which can provide an intermediate relay coil contact and a group of normally-open points, and the coil contact of the contactor, the 220V alternating current power supply and the normally-open points of the intermediate relay are electrically connected; the electromagnetic valve comprises an electromagnetic valve coil, and the conduction voltage is 24V direct current; the conduction voltage of the electric proportional valve is 24V direct current; the air switch is connected to a factory alternating current power supply of 220V; the switch power supply inlet port is electrically connected with an alternating current power supply 220V connected through an air switch; the output end of the switching power supply provides a direct-current 24V power supply and is electrically connected with the power supply module, the CPU module, the DI module, the DO module, the AI module and the AQ module; the power module in the PLC300 is electrically connected with an alternating current power supply 220V accessed through an air switch, the DI module and the direct current power supply 24V in the PLC300 are electrically connected with a contactor and a thermal relay through connecting wires, the DO module and the direct current power supply 24V in the PLC300 are electrically connected with an intermediate relay coil through connecting wire electromagnetic valve coils, the AI module and the direct current power supply 24V in the PLC300 are electrically connected with a flow sensor, a liquid level sensor and a water quality monitoring sensor through connecting wires, and the AQ module in the PLC300 is electrically connected with an electric proportional valve through connecting wires; the Siemens touch screen is installed on the cabinet body, is in communication connection with the CPU module in the PLC300 through a data communication line, and is connected to a direct-current power supply 24V through a power line.

Further, the PLC300 can receive parameters of the flow sensor, the liquid level sensor and the water quality monitoring sensor for detecting and detecting instantaneous flow of the pipeline, the liquid level of the water pool and the water quality of the water pool, the parameters are displayed on a Siemens touch screen picture through a data communication line, and the PLC300 carries out programming operation according to working requirements on the Siemens touch screen picture to realize system operation functions.

Further, a liquid level sensor in the automatic control system can detect the liquid levels of water in the filter tank and the sedimentation tank; water quality monitoring sensors in the automatic control system can detect water quality in the filter tank and the clean water tank.

Furthermore, an ultraviolet sterilization device is arranged in a clean water tank in the automatic control system.

The Siemens touch screen can further display the running states of the water pump and the electromagnetic valve, can set parameters of the PLC300, can set login users and input passwords, limits the authority of the users without operation rights, and does not influence the running of the remote monitoring system of the automatic equipment after the users log off.

Drawings

FIG. 1 is a schematic diagram of an automated control system for multi-stage sewage treatment;

fig. 2 is a schematic structural view of an automatic control system control cabinet applied to multi-stage sewage treatment.

In the figure: 1. a water pump; 2. a metal water pipe; 3. a sewage tank; 4. a filtration system; 5. a liquid level sensor; 6. a filtration tank; 7. an electromagnetic valve; 8. a sedimentation tank; 9. a water quality detection sensor; 10. a flow sensor; 11. an electrically operated proportional valve; 12. a sterilizing device; 13. a clean water tank; 14. a pool; 15. 2 air switches; 16. 3 air switches; 17. a contactor; 18. a thermal relay; 19. a switching power supply; 20. a power supply module; 21. a CPU module; 22. a DI module; 23. a DO module; 24. an AI module; 25. an AQ module; 26. an intermediate relay; 27. a control cabinet; 28. siemens touch screen.

Detailed Description

The following will explain in detail the specific embodiment of the automatic control system for multistage sewage treatment in accordance with the present invention.

As shown in fig. 1, the utility model relates to an automatic control system for multistage sewage treatment, which comprises a filtering tank 6, a sedimentation tank 8, a clean water tank 13, a water tank 14, a metal water pipe 2, a water pump 1, a solenoid valve 7, an electric proportional valve 11, a liquid level sensor 5, a flow sensor 10, a water quality detection sensor 9 and a control cabinet 27; the upper end of the filter tank 6 is connected with the sewage tank 3 through a metal water pipe 2, and a water pump 1 is installed; the bottom end of the filtering tank 6 is connected with a sewage draining channel through a metal water pipe 2, an electromagnetic valve 7 is installed, and a filtering system 4 and a liquid level sensor 5 are installed in the filtering tank 6; the upper end of the sedimentation tank 8 is connected with the bottom end of the filtering tank 6 through a metal water pipe 2, the electromagnetic valve 7 is installed, the liquid level sensor 5 and the water quality monitoring sensor are installed in the sedimentation tank 8, the sedimentation tank 8 is connected with a clean water tank 13 through the metal water pipe 2, and the electric proportional valve 11 is installed; the lower end of the clean water tank 13 is connected with a water tank 14 through a metal water pipe 2, an ultraviolet sterilization device 12 is arranged in the clean water tank 13, and a water quality detection sensor 9 is arranged in the clean water tank 13; the control cabinet 27 comprises a cabinet plate and a cabinet body; the cabinet board is provided with 3 air switches 16, 2 air switches 15, a contactor 17, a thermal relay 18, an intermediate relay 26, a switching power supply 19 and a PLC 300; the PLC300 includes a power module 20, a CPU module 21, a DI module 22, a DO module 23, an AI module 24, and an AQ module 25, which are connected through an internal communication terminal; the 3 air switches 16 are connected with an alternating current power supply 380V, and are connected with the water pump 1 through a contactor 17 and a thermal relay 18; the intermediate relay 26 is provided with an intermediate relay 26 base which can provide an intermediate relay 26 coil contact and a group of normally open points, and the coil contact of the contactor 17, a 220V alternating current power supply and the normally open points of the intermediate relay 26 are electrically connected; the electromagnetic valve 7 comprises an electromagnetic valve coil, and the conduction voltage is 24V direct current; the conduction voltage of the electric proportional valve 11 is direct current 24V; the air switch is connected to a factory alternating current power supply of 220V; the inlet port of the switch power supply 19 is electrically connected with an alternating current power supply 220V connected through an air switch; the output end of the switching power supply 19 provides a direct current 24V power supply, and is electrically connected with the power supply module 20, the CPU module 21, the DI module 22, the DO module 23, the AI module 24 and the AQ module 25; the power module 20 in the PLC300 is electrically connected to an ac power supply 220V connected through an air switch, the DI module 22 and the dc power supply 24V in the PLC300 are electrically connected to the contactor 17 and the thermal relay 18 through connecting wires, the DO module 23 and the dc power supply 24V in the PLC300 are electrically connected to a coil of an intermediate relay 26 through a coil of a connecting wire solenoid valve, the AI module 24 and the dc power supply 24V in the PLC300 are electrically connected to the flow sensor 10, the liquid level sensor 5 and the water quality detection sensor 9 through connecting wires, and the AQ module 25 in the PLC300 is electrically connected to the electric proportional valve 11 through a connecting wire; the Siemens touch screen 28 is installed on the cabinet body, is in communication connection with the CPU module 21 in the PLC300 through a data communication line, and is connected to the direct-current power supply 24V through a power line.

In order to enable sewage treatment to meet working requirements, the PLC300 can receive electric signals detected by the flow sensor 10, the liquid level sensor 5 and the water quality detection measuring sensor 9 and convert the electric signals into parameters, the PLC300 can detect operation and fault signals of the contactor 17 and the thermal relay 18, and the PLC300 carries out programming operation according to the working requirements to realize system operation functions.

The liquid level sensors 5 in the automatic control system can further detect the liquid levels of water in the filter tank 6 and the sedimentation tank 8; the water quality detection sensor 9 in the automatic control system can detect the water quality in the filter tank 6 and the clean water tank 13; the Siemens touch screen 28 sets up filtering ponds 6 liquid level and filtering ponds 6 quality of water parameter according to the operating requirement, and when the actual liquid level was higher than and sets up filtering ponds 6 liquid level parameter in filtering ponds 6, actual quality of water was higher than and sets up filtering ponds 6 quality of water parameter, the solenoid valve 7 between filtering ponds 6 and the sedimentation tank 8 switched on.

Further, an ultraviolet sterilization device 12 is installed in a clean water tank 13 in the automatic control system, and according to the flow rate detected by the flow sensor 10, parameters of the water flow rate are set on the siemens touch screen 28 to perform PID control on the electric proportional valve 11, so that the water can be sterilized most quickly.

Further, the siemens touch screen 28 can display the operation states of the water pump 1 and the electromagnetic valve 7, the siemens touch screen 28 can set parameters of the PLC300, the siemens touch screen 28 can set login users and input passwords, authority limitation is performed on users who do not have operation rights, and the operation of the automatic equipment remote monitoring system is not affected after the users log off.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. An automatic control system applied to multi-stage sewage treatment is characterized by comprising a filter tank, a sedimentation tank, a clean water tank, a metal water pipe, a water pump, an electromagnetic valve, an electric proportional valve, a liquid level sensor, a flow sensor, a water quality detection sensor and a control cabinet; the upper end of the filter tank is connected with the sewage tank through a metal water pipe, and a water pump is installed; the bottom end of the filtering tank is connected with the sewage draining channel through a metal water pipe, the electromagnetic valve is arranged, and the filtering system and the liquid level sensor are arranged in the filtering tank; the upper end of the sedimentation tank is connected with the bottom end of the filtering tank through a metal water pipe, the sedimentation tank is provided with an electromagnetic valve, the sedimentation tank is internally provided with a liquid level sensor and a water quality monitoring sensor, the sedimentation tank is connected with a clean water tank through a metal water pipe, and the sedimentation tank is provided with an electric proportional valve; the lower end of the clean water tank is connected with the water tank through a metal water pipe, an ultraviolet sterilization device is installed in the clean water tank, and a water quality monitoring sensor is installed in the clean water tank; the control cabinet comprises a cabinet plate and a cabinet body; the cabinet board is provided with 3 air switches, 2 air switches, a contactor, a thermal relay, an intermediate relay, a switching power supply and a PLC 300; the PLC300 comprises a power module, a CPU module, a DI module, a DO module, an AI module and an AQ module which are connected through an internal communication terminal; the 3 air switches are connected with an alternating current power supply 380V and connected with the water pump through a contactor and a thermal relay; the intermediate relay is provided with an intermediate relay base which can provide an intermediate relay coil contact and a group of normally-open points, and the coil contact of the contactor, the 220V alternating current power supply and the normally-open points of the intermediate relay are electrically connected; the electromagnetic valve comprises an electromagnetic valve coil, and the conduction voltage is 24V direct current; the conduction voltage of the electric proportional valve is 24V direct current; the air switch is connected to a factory alternating current power supply of 220V; the switch power supply inlet port is electrically connected with an alternating current power supply 220V connected through an air switch; the output end of the switching power supply provides a direct-current 24V power supply and is electrically connected with the power supply module, the CPU module, the DI module, the DO module, the AI module and the AQ module; the power module in the PLC300 is electrically connected with an alternating current power supply 220V accessed through an air switch, the DI module and the direct current power supply 24V in the PLC300 are electrically connected with a contactor and a thermal relay through connecting wires, the DO module and the direct current power supply 24V in the PLC300 are electrically connected with an intermediate relay coil through connecting wire electromagnetic valve coils, the AI module and the direct current power supply 24V in the PLC300 are electrically connected with a flow sensor, a liquid level sensor and a water quality monitoring sensor through connecting wires, and the AQ module in the PLC300 is electrically connected with an electric proportional valve through connecting wires; the Siemens touch screen is installed on the cabinet body, is in communication connection with the CPU module in the PLC300 through a data communication line, and is connected to a direct-current power supply 24V through a power line.

2. The automatic control system for multistage sewage treatment according to claim 1, wherein the PLC300 is capable of receiving parameters of the instantaneous flow rate of the pipeline, the liquid level of the pool and the water quality of the pool detected by the flow sensor, the liquid level sensor and the water quality monitoring sensor, and displaying the parameters on a screen of a siemens touch screen through a data communication line.

3. The automatic control system for multistage sewage treatment according to claim 1, wherein the level sensor in the automatic control system can detect the water level in the filtering tank and the sedimentation tank; water quality monitoring sensors in the automatic control system can detect water quality in the filter tank and the clean water tank.

4. The automatic control system for multistage sewage treatment according to claim 1, wherein an ultraviolet sterilization device is installed in a clean water tank of the automatic control system.

5. The automatic control system for multistage sewage treatment according to claim 1, wherein the siemens touch screen is capable of displaying the operation states of the water pump and the electromagnetic valve, the siemens touch screen is capable of setting parameters of the PLC300, the siemens touch screen is capable of setting login users and inputting passwords, and limits the authority of users who do not have operation rights, and does not affect the operation of the automatic equipment remote monitoring system after the users log off.

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