CN117306636A

CN117306636A - Digital integrated multi-layer filtering water supply system

Info

Publication number: CN117306636A
Application number: CN202311629082.1A
Authority: CN
Inventors: 陈楚平; 朱文博; 和磊; 唐炯
Original assignee: China And Korea Dooch Pump Manufacturing Shanghai Co ltd
Current assignee: China And Korea Dooch Pump Manufacturing Shanghai Co ltd
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2023-12-29
Anticipated expiration: 2043-12-01
Also published as: CN117306636B

Abstract

The application provides a digitally integrated multi-layer filtration water supply system comprising: the device comprises a water storage module, a first booster pump set, a primary filter module, a fine filter module, a second booster pump set, an ultrafiltration module, a third booster pump set and an integrated controller; the integrated controller is used for controlling the first booster pump group to be started when the water quality data at the output end of the water storage module reaches a preset first condition and the pressure at the input end of the primary filtering module is lower than a first preset value or the pressure at the input end of the fine filtering module is lower than a second preset value; when the water quality data does not reach a preset first condition, the first booster pump set is controlled to be closed, and the water quality data is transmitted to a remote monitoring platform; when the pressure of the input end of the ultrafiltration module is lower than a third preset value or the pressure of the input end of the third booster pump unit is lower than a fourth preset value, the second booster pump unit is controlled to be started; and when the pressure of the output end of the third booster pump group is lower than a fifth preset value, controlling the third booster pump group to be started. The system is used for improving the water supply quality.

Description

Digital integrated multi-layer filtering water supply system

Technical Field

The application relates to water supply technology, in particular to a digital integrated multi-layer filtering water supply system.

Background

The high-quality domestic water is related to the physical health of people, and along with the progress of science and technology and the improvement of living standard, more and more cities and even villages and towns are urgently required to provide the high-quality domestic water.

Harmful microorganism substances and organic organisms in water cannot be effectively isolated in the traditional water supply system, and along with the time, the supplied water is often unfavorable for the health of people, and the water supply quality is poor.

Disclosure of Invention

The application provides a digital integrated multi-layer filtering water supply system for improving water supply quality.

In one aspect, the present application provides a digitally integrated multi-layer filtered water supply system comprising: the device comprises a water storage module, a primary filtering module, a fine filtering module, an ultrafiltration module, a first booster pump group, a second booster pump group, a third booster pump group and an integrated controller;

the output end of the water storage module is connected with the input end of the first booster pump group, and the output end of the water storage module is provided with a water quality detection unit for detecting water quality data of the output end of the water storage module;

the input end of the primary filter module is connected with the output end of the first booster pump group; the input end of the primary filter module is provided with a first pressure sensor for collecting the first pressure of the input end of the primary filter module;

The input end of the fine filtering module is connected with the output end of the primary filtering module; the input end of the fine filtering module is provided with a second pressure sensor which is used for collecting the second pressure of the input end of the fine filtering module;

the input end of the second booster pump group is connected with the output end of the fine filtering module, and the output end of the second booster pump group is connected with the input end of the ultrafiltration module; the input end of the ultrafiltration module is provided with a third pressure sensor for collecting the third pressure of the input end of the ultrafiltration module;

the input end of the third booster pump group is connected with the output end of the ultrafiltration module, and the output end of the third booster pump group is connected with a water pipeline; the input end of the third booster pump group is provided with a fourth pressure sensor for acquiring fourth pressure of the input end of the third booster pump group; the output end of the third booster pump group is provided with a fifth pressure sensor for acquiring the fifth pressure of the output end of the third booster pump group;

the integrated controller is connected with the water quality detection unit, the first pressure sensor, the second pressure sensor, the third pressure sensor, the fourth pressure sensor, the fifth pressure sensor, the first booster pump set, the second booster pump set and the third booster pump set, and is used for controlling the first booster pump set to be started when the water quality data reach a preset first condition and the first pressure is lower than a first preset value or the second pressure is lower than a second preset value; when the water quality data does not reach a preset first condition, controlling the first booster pump group to be closed, and transmitting the water quality data to a remote monitoring platform; and controlling the second booster pump group to be opened when the third pressure is lower than a third preset value or the fourth pressure is lower than a fourth preset value; and controlling the third booster pump group to be started when the fifth pressure is lower than a fifth preset value.

Optionally, the water storage module includes: the device comprises a first butterfly valve, an electric valve, a Y-shaped filter, a backflow preventer, a water tank, a first liquid level sensor, a drain valve, a drain ditch and a second butterfly valve;

the input end of the first butterfly valve is connected to a water supply network, and the input end of the electric valve is connected with the output end of the first butterfly valve; the input end of the Y-shaped filter is connected with the output end of the electric valve and is used for filtering solid particles in fluid flowing through; the output end of the Y-shaped filter is connected with the input end of the backflow preventer, and the output end of the backflow preventer is connected with the water inlet end of the water tank;

the water tank is provided with the first liquid level sensor and is used for detecting the liquid level in the water tank; the integrated controller is connected with the first liquid level sensor and the electric valve and is also used for acquiring the liquid level in the water tank, and when the liquid level in the water tank is lower than a preset liquid level value, the electric valve is controlled to be opened; and when the liquid level is not lower than the liquid level value, controlling the electric valve to be closed;

the water outlet end of the water tank is connected with the input end of the first booster pump set through the second butterfly valve, and the water outlet end of the water tank is also connected to the sewage drain through the sewage drain valve; the output end of the first booster pump group is connected with the input end of the primary filter module through a first check valve and a third butterfly valve in sequence;

The integrated controller is connected with the blow-down valve and is also used for controlling the blow-down valve to be opened when the water quality data does not reach the preset condition.

Optionally, the primary filtering module includes: the device comprises a quartz sand filter, a first sampling valve, a first pressure gauge, an activated carbon filter, a second sampling valve and a second pressure gauge;

the input end of the quartz sand filter is used as the input end of the primary filtering module and is connected with the output end of the third butterfly valve, the output end of the quartz sand filter sequentially passes through the first sampling valve and the first pressure gauge and is connected with the input end of the activated carbon filter, and the output end of the activated carbon filter sequentially passes through the second sampling valve and the second pressure gauge and is connected with the input end of the fine filtering module.

Optionally, the water supply system further comprises: a flocculant dosing module; the flocculant dosing module comprises: the flocculant dosing tank, the dosing pump, the second liquid level sensor, the fourth butterfly valve and the second check valve;

the output end of the flocculant dosing tank is connected with the input end of the dosing pump, the output end of the dosing pump is connected with the input end of the primary filter module through a fourth butterfly valve and a second check valve in sequence, and the dosing pump is used for pumping the reagent in the flocculant dosing tank into a pipeline according to the flow;

The flocculant dosing tank is provided with the second liquid level sensor for monitoring the reagent storage amount in the flocculant dosing tank.

Optionally, the fine filtering module includes: a fifth butterfly valve, a bleed valve, a sixth pressure sensor and a precision filter;

the input end of the fifth butterfly valve is used as the input end of the fine filtering module and is connected with the output end of the activated carbon filter, the output end of the fifth butterfly valve is connected with the input end of the fine filter, and the output end of the fine filter is used as the output end of the fine filtering module and is connected with the input end of the second booster pump group;

the precise filter is provided with the sixth pressure sensor and the air release valve; the integrated controller is connected with the sixth pressure sensor and the air release valve, and is further used for acquiring the sixth pressure in the precise filter acquired by the sixth pressure sensor, and controlling the air release valve to be opened when the sixth pressure is higher than a sixth preset value.

Optionally, the ultrafiltration module includes: an ultrafiltration membrane group; the water supply system further includes: a flow control valve;

the input end of the flow control valve is connected with the output end of the second booster pump group;

The input end of the ultrafiltration membrane group is used as the input end of the ultrafiltration module to be connected with the output end of the flow control valve, the output end of the ultrafiltration membrane group is used as the output end of the ultrafiltration module to be connected with the input end of the third booster pump group, and the ultrafiltration membrane group is provided with a third sampling valve.

Optionally, the water supply system further comprises: an ultraviolet sterilization module; the ultraviolet sterilization module includes: a sixth butterfly valve, a straight-through butterfly valve, an ultraviolet sterilizer, and a seventh butterfly valve;

the output end of the ultraviolet sterilizer is connected with the input end of the seventh butterfly valve, and the output end of the seventh butterfly valve is communicated with the output end of the through butterfly valve and is connected to the input end of the third booster pump group;

the integrated controller is connected with the sixth butterfly valve and the straight-through butterfly valve and the seventh butterfly valve, and is further used for controlling the opening of the straight-through butterfly valve and controlling the closing of the sixth butterfly valve and the seventh butterfly valve when the water quality data of the fluid filtered by the ultrafiltration module reaches a preset second condition according to the water quality data of the output end of the ultrafiltration module; and when the water quality data of the fluid filtered by the ultrafiltration module does not reach a preset second condition, controlling the straight-through butterfly valve to be closed, and controlling the sixth butterfly valve and the seventh butterfly valve to be opened.

Optionally, the ultraviolet sterilizer includes: the device comprises a water drain valve, an ultraviolet lamp tube, a controller, a perspective window, a pressure-resistant barrel and a communication line;

the input end of the pressure-resistant barrel is used as the input end of the ultraviolet sterilizer and is connected with the output end of the sixth butterfly valve; the output end of the pressure-resistant barrel is used as the output end of the ultraviolet sterilizer and is connected with the input end of the seventh butterfly valve;

the pressure-resistant barrel is provided with the water drain valve, the ultraviolet lamp tube and the perspective window;

the integrated controller is also used for controlling the sixth butterfly valve and the seventh butterfly valve to be closed and controlling the water drain valve to be opened when the ultraviolet lamp tube is abnormal.

Optionally, the water supply system further comprises: an eighth butterfly valve, a ninth butterfly valve, and a third check valve;

the input end of the third booster pump group is connected with the output end of the ultrafiltration module through the eighth butterfly valve;

the output end of the third booster pump group is connected with the water pipeline through the ninth butterfly valve and the third check valve in sequence.

Optionally, the integrated controller includes: a control unit;

the control unit includes: PID controller, V/f controller, PWM transmitting unit, inverter;

The PID controller is connected with the fifth pressure sensor and is used for acquiring the fifth pressure, determining the rotating speed of the third booster pump group according to the fifth pressure and a fifth preset value and outputting a rotating speed control signal;

the input end of the V/f controller is connected with the PID controller and is used for calculating the output voltage corresponding to the inverter frequency converter according to the rotating speed control signal and outputting the output voltage;

the input end of the PWM transmitting unit is connected with the output end of the V/f controller and is used for outputting PWM control signals according to the output voltage;

the input end of the inverter frequency converter receives three-phase direct current voltage, the control end of the inverter frequency converter is connected with the output end of the PWM transmitting unit, and the output end of the inverter frequency converter is connected with the control end of the third booster pump set and used for outputting three-phase alternating current according to the PWM control signal and controlling the third booster pump set to operate.

The digital integrated multi-layer filtering water supply system provided by the application is sequentially provided with the water storage module, the first booster pump group, the primary filtering module, the fine filtering module, the second booster pump group, the ultrafiltration module, the water supply module and the third booster pump group, and the primary filtering module, the fine filtering module and the ultrafiltration module are arranged to carry out multi-stage filtration on fluid, so that impurities in the fluid can be effectively removed, and the water quality is improved; and a plurality of booster pump groups are arranged in the water supply system, so that multistage pressurization can be performed, and the pressure of fluid in the water supply system is ensured to be sufficient; the water supply system is monitored by setting an integrated controller, the water supply system is controlled, when the water quality data of the fluid output by the water storage module is abnormal, the first booster pump group is controlled to be closed to stop water supply, and the water quality data is transmitted to the remote monitoring platform; when the water quality data of the fluid output by the water storage module is normal and the pressure of the input end of the primary filtering module is insufficient or the pressure of the input end of the fine filtering module is insufficient, a first booster pump group at the front end of the primary filtering module is controlled to be started; when the pressure of the input end of the fine filtration module is insufficient or the pressure of the input end of the third booster pump group is insufficient, the second booster pump group at the front end of the fine filtration module is controlled to be started; and when the pressure at the output end of the third booster pump set is insufficient, the third booster pump set is controlled to be started, so that the integrated control of a water supply system is realized, the control efficiency is improved, and the water supply quality is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

A schematic structural diagram of a digitally integrated multi-layer filtration water supply system according to a first embodiment of the present application is schematically shown in fig. 1;

a schematic structural diagram of another digitally integrated multi-layer filtration water supply system provided in accordance with an embodiment of the present application is schematically illustrated in fig. 2;

fig. 3 is a schematic view schematically showing a structure of an ultraviolet sterilizer according to an embodiment of the present application;

fig. 4 schematically illustrates a structure of a control unit according to a first embodiment of the present application;

a network architecture diagram of a digitally integrated multi-layer filtered water supply system provided in accordance with an embodiment of the present application is schematically illustrated in fig. 5.

Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

The modules in this application refer to functional modules or logic modules. It may be in the form of software, the functions of which are implemented by the execution of program code by a processor; or may be in hardware. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

The terms referred to in this application are explained first:

proportional-integral-differential control (proportional-integral-derivative control), abbreviated as PID control, refers to forming a control deviation based on a given value and an actual output value, forming a control quantity by linearly combining the deviation in proportion, integral and differential, and controlling a controlled object.

Pulse width modulation (Pulse Width Modulation, PWM): the pulse width modulation for short refers to a technology for controlling an analog circuit by using the digital output of a microprocessor.

For asynchronous motors, in order to ensure that the magnetic flux and the output force of the motor are unchanged (torque is unchanged), the generation of weak magnetic flux and magnetic saturation phenomena is avoided, and when the frequency of the motor is changed, the ratio of the voltage V to the frequency F needs to be maintained approximately unchanged, which is called V/F control.

DTU (Data Transfer unit), it is a wireless terminal device that is dedicated to converting serial data into IP data or converting IP data into serial data and transmitting the same through a wireless communication network.

The technical solutions of the present application are illustrated in the following specific examples. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

Examples

Fig. 1 is a schematic structural diagram of a digital integrated multi-layer filtering water supply system according to an embodiment of the present application. As shown in fig. 1, the digitally integrated multi-layer filtering water supply system provided in this embodiment may include: the water storage module 10, the first booster pump group 20, the primary filter module 40, the fine filter module 50, the second booster pump group 60, the ultrafiltration module 70, the third booster pump group 90 and the integrated controller 00;

the output end of the water storage module 10 is connected with the input end of the first booster pump group 20, and the output end of the water storage module 10 is provided with a water quality detection unit 106 for detecting water quality data of the output end of the water storage module 10;

the input end of the primary filter module 40 is connected with the output end of the first booster pump group 20; the input end of the primary filter module 40 is provided with a first pressure sensor 400 for collecting a first pressure of the input end of the primary filter module 40;

The input end of the fine filtering module 50 is connected with the output end of the primary filtering module 40; the input end of the fine filtering module 50 is provided with a second pressure sensor 500 for collecting a second pressure of the input end of the fine filtering module 50;

the input end of the second booster pump group 60 is connected with the output end of the fine filtration module 50, and the output end of the second booster pump group 60 is connected with the input end of the ultrafiltration module 70; the input end of the ultrafiltration module 70 is provided with a third pressure sensor 701 for acquiring a third pressure of the input end of the ultrafiltration module 70;

the input end of the third booster pump group 90 is connected with the output end of the ultrafiltration module 70, and the output end of the third booster pump group 90 is connected with a water pipeline; the input end of the third booster pump group 90 is provided with a fourth pressure sensor 900 for acquiring a fourth pressure of the input end of the third booster pump group 90; the output end of the third booster pump group 90 is provided with a fifth pressure sensor 904 for acquiring a fifth pressure of the output end of the third booster pump group 90;

the integrated controller 00 is connected with the water quality detection unit 106, the first pressure sensor 400, the second pressure sensor 500, the third pressure sensor 701, the fourth pressure sensor 900, the fifth pressure sensor 904, the first booster pump unit 20, the second booster pump unit 60 and the third booster pump unit 90, and is used for controlling the first booster pump unit 20 to be opened when the water quality data reach a preset first condition and the first pressure is lower than a first preset value or the second pressure is lower than a second preset value; and when the water quality data does not reach the preset first condition, controlling the first booster pump group 20 to be closed, and transmitting the water quality data to a remote monitoring platform; and controlling the second booster pump unit 60 to be turned on when the third pressure is lower than a third preset value or the fourth pressure is lower than a fourth preset value; and controlling the third booster pump group 90 to be turned on when the fifth pressure is lower than a fifth preset value.

Specifically, the output end of the water storage module 10 is connected with the input end of the first booster pump group 20; the input end of the primary filter module 40 is connected with the output end of the first booster pump group 20; the input end of the fine filtering module 50 is connected with the output end of the primary filtering module 40; the input end of the second booster pump group 60 is connected with the output end of the fine filtration module 50, and the output end of the second booster pump group 60 is connected with the input end of the ultrafiltration module 70; the input end of the third booster pump group 90 is connected with the output end of the ultrafiltration module 70, and the output end of the third booster pump group 90 is connected with a water pipeline. A water quality detection unit 106 is arranged at the output end of the water storage module 10 and is used for detecting water quality data of the output end of the water storage module 10; and, pressure sensors are respectively disposed at the input end of the primary filtering module 40, the input end of the fine filtering module 50, the input end of the ultrafiltration module 70, the input end and the output end of the third booster pump unit 90, and are a first pressure sensor 400 for collecting the first pressure of the input end of the primary filtering module 40, a second pressure sensor 500 for collecting the second pressure of the input end of the fine filtering module 50, a third pressure sensor 701 for collecting the third pressure of the input end of the ultrafiltration module 70, a fourth pressure sensor 900 for collecting the fourth pressure of the input end of the third booster pump unit 90, and a fifth pressure sensor 904 for collecting the fifth pressure of the output end of the third booster pump unit 90.

The integrated controller 00 is connected with the water quality detection unit 106, the first pressure sensor 400, the second pressure sensor 500, the third pressure sensor 701, the fourth pressure sensor 900, the fifth pressure sensor 904, the first booster pump unit 20, the second booster pump unit 60 and the third booster pump unit 90, and is used for controlling the first booster pump unit 20 to be closed to stop water supply and transmitting water quality data to a remote monitoring platform for alarming when the water quality data does not reach a preset first condition; and controlling the first booster pump unit 20 to be turned on when the water quality data reaches a preset first condition and the first pressure is lower than a first preset value or the second pressure is lower than a second preset value; and controlling the second booster pump unit 60 to be turned on when the third pressure is lower than a third preset value or the fourth pressure is lower than a fourth preset value; and when the fifth pressure is lower than a fifth preset value, the third booster pump group 90 is controlled to be started, so that the fluid pressure of each module in the water supply system is ensured to be sufficient, the fluid flow and filtration are facilitated, the fluid pressure in the water pipeline is ensured to be sufficient, and the quality of water supply is improved.

In practical application, the water quality detection unit 106 may detect the water quality at the output end of the water storage module 10 in various manners, and illustratively, the water quality detection unit 106 may collect a detected water sample at the outlet pipe of the water tank 104, mix a standard solution and collect the water sample into a water sample measuring tank, flow the liquid in the water sample measuring tank into a residual chlorine detecting tank, a p H detecting tank and a turbidity detecting tank respectively for detection, collect the detected water quality data into a measurement control box, and the measurement control box may communicate through a serial bus to transmit the water quality data to the integrated controller 00.

In the example, the water storage module, the first booster pump group, the primary filtering module, the fine filtering module, the second booster pump group, the ultrafiltration module, the water supply module and the third booster pump group are sequentially arranged, and the primary filtering module, the fine filtering module and the ultrafiltration module are arranged to carry out multistage filtration on the fluid, so that impurities in the fluid can be effectively removed, and the water quality is improved; and a plurality of booster pump groups are arranged in the water supply system, so that multistage pressurization can be performed, and the pressure of fluid in the water supply system is ensured to be sufficient; the water supply system is monitored by setting an integrated controller, the water supply system is controlled, when the water quality data of the fluid output by the water storage module is abnormal, the first booster pump group is controlled to be closed to stop water supply, and the water quality data is transmitted to the remote monitoring platform; when the water quality data of the fluid output by the water storage module is normal and the pressure of the input end of the primary filtering module is insufficient or the pressure of the input end of the fine filtering module is insufficient, a first booster pump group at the front end of the primary filtering module is controlled to be started; when the pressure of the input end of the fine filtration module is insufficient or the pressure of the input end of the third booster pump group is insufficient, the second booster pump group at the front end of the fine filtration module is controlled to be started; and when the pressure at the output end of the third booster pump set is insufficient, the third booster pump set is controlled to be started, so that the integrated control of a water supply system is realized, the control efficiency is improved, and the water supply quality is improved.

The water storage module 10 is used for storing water for water supply, and various structures can be provided, and in one example, the water storage module 10 includes: a first butterfly valve 100, an electric valve 101, a Y-type filter 102, a backflow preventer 103, a water tank 104, a first liquid level sensor 105, a drain valve 107, a drain 108, and a second butterfly valve 109;

the input end of the first butterfly valve 100 is connected to a water supply pipe network; the input end of the electric valve 101 is connected with the output end of the first butterfly valve 100; the input end of the Y-shaped filter 102 is connected with the output end of the electric valve 101 and is used for filtering solid particles such as scrap iron, sludge and the like in the flowing fluid; the output end of the Y-shaped filter 102 is connected with the input end of the backflow preventer 103, and the output end of the backflow preventer 103 is connected with the water inlet end of the water tank 104;

the water tank 104 is provided with a first liquid level sensor 105 for detecting the liquid level in the water tank 104; the integrated controller 00 is connected with the first liquid level sensor 105 and the electric valve 101, and is further used for acquiring the liquid level in the water tank 104, and controlling the electric valve 101 to be opened when the liquid level in the water tank 104 is lower than a preset liquid level value; and, when the liquid level is not lower than the liquid level value, controlling the electric valve 101 to be closed;

the water outlet end of the water tank 104 is connected with the input end of the first booster pump group 20 through a second butterfly valve 109, and the water outlet end of the water tank 104 is also connected to a drain ditch 108 through a drain valve 107; the output end of the first booster pump group 20 is connected with the input end of the primary filter module 40 through a first check valve 201 and a third butterfly valve 202 in sequence;

The integrated controller 00 is connected with the drain valve 107, and is further used for controlling the drain valve 107 to be opened when the water quality data does not reach the preset condition.

Specifically, fig. 2 is a schematic structural diagram of another digitally integrated multi-layer filtration water supply system according to an embodiment of the present application, where, as shown in fig. 2, an input end of the first butterfly valve 100 is connected to a water supply pipe network and is in a normally open state; the input end of the electric valve 101 is connected with the output end of the first butterfly valve 100; the input end of the Y-shaped filter 102 is connected with the output end of the electric valve 101 and is used for filtering solid particles in fluid flowing through and preventing impurities from entering the water tank 104; the input end of the backflow preventer 103 is connected with the output end of the Y-shaped filter 102, and the output end of the backflow preventer 103 is connected with the water inlet end of the water tank 104 and is used for preventing fluid in the water tank 104 from flowing backwards to a water supply network; the water tank 104 is provided with a first liquid level sensor 105 for detecting the liquid level in the water tank 104; the integrated controller 00 is connected with the first liquid level sensor 105 and the electric valve 101, and is further configured to obtain a liquid level in the water tank 104, and when the liquid level in the water tank 104 is lower than a preset liquid level value, control the electric valve 101 to open so as to make municipal tap water supply the water storage module 10; and, when the liquid level is not lower than the liquid level value, controlling the electric valve 101 to be closed; the water outlet end of the water tank 104 is connected with the input end of the first booster pump group 20 through a second butterfly valve 109; the water outlet end of the water tank 104 is also connected to a drain 108 through a drain valve 107, and the drain valve 107 can be opened when the water tank 104 needs to be cleaned; the integrated controller 00 is connected with the drain valve 107, and is further configured to control the drain valve 107 to be opened when the water quality data does not reach a preset condition based on the water quality data detected by the water quality detection unit 106, so that the liquid in the water tank is discharged into the drain 108; the output end of the first booster pump group 20 is connected with the input end of the primary filter module 40 sequentially through a first check valve 201 and a third butterfly valve 202, the first check valve 201 is used for preventing backflow of fluid after the first booster pump group 20 stops boosting, and the third butterfly valve 202 is in a normally open state.

In the example, the liquid level in the water storage tank acquired by the first liquid level sensor is acquired through the integrated controller, and whether the electric valve is controlled to be opened or not is judged based on the liquid level so as to supplement the liquid in the water storage tank; and acquiring water quality data obtained by the water quality detection unit, and controlling the blow-down valve to be opened to blow down when the water quality data is abnormal, so as to realize the integrated control of the water supply system.

Through the Y type filter, can carry out preliminary filtration to solid particle impurity such as iron fillings, silt in the fluid, ensure that the fluid that supplies to the water storage unit is satisfying life water's basic requirement, in order to further improve quality of water, can get rid of the impurity of bigger molecule through the coagulation sedimentation and secondary filtration. In one example, the water supply system further comprises: a flocculant dosing module; the flocculant dosing module comprises: flocculant dosing tank 300, dosing pump 301, second level sensor 302, fourth butterfly valve 303, and second check valve 304;

the output end of the flocculant dosing tank 300 is connected with the input end of the dosing pump 301, the output end of the dosing pump 301 is connected with the input end of the primary filter module 40 sequentially through a fourth butterfly valve 303 and a second check valve 304, and the dosing pump 301 is used for extracting the reagent in the flocculant dosing tank 300 into a pipeline according to the flow;

Flocculant dosing tank 300 is provided with a second level sensor 302 for monitoring the amount of reagent stored in flocculant dosing tank 300.

Specifically, as shown in fig. 2, the output end of the flocculant dosing tank 300 is connected with the input end of the dosing pump 301, the output end of the dosing pump 301 is connected with the input end of the primary filtration module 40 sequentially through the fourth butterfly valve 303 and the second check valve 304, and the dosing pump 301 is used for pumping the reagent in the flocculant dosing tank 300 into a pipeline according to the flow rate when the first booster pump group 20 is pressurized, so that impurity particles dispersed in the pipeline fluid are aggregated, and solid-liquid separation is performed through sedimentation and clarification; the fourth butterfly valve 303 is used for controlling on-off of reagent replenishment to the pipeline; the second check valve 304 is used to prevent reverse flow of fluid into the flocculant dosing tank 300. Flocculant dosing tank 300 is provided with a second level sensor 302 for monitoring the reagent storage volume in flocculant dosing tank 300 in real-time.

In this example, the flocculant is added to the pipeline by the flocculant dosing module to coagulate impurities in the fluid into particles for solid-liquid separation and filtration, thereby further improving water quality.

After the impurities in the fluid are aggregated into particles, secondary filtration can be performed to further remove the impurities in the fluid. In one example, the primary filtering module 40 includes: quartz sand filter 404, first sampling valve 403, first pressure gauge 405, activated carbon filter 408, second sampling valve 407, second pressure gauge 409;

The input end of the quartz sand filter 404 is connected with the output end of the third butterfly valve 202 as the input end of the primary filter module 40, the output end of the quartz sand filter 404 is connected with the input end of the activated carbon filter 408 sequentially through the first sampling valve 403 and the first pressure gauge 405, and the output end of the activated carbon filter 408 is connected with the input end of the fine filter module 50 sequentially through the second sampling valve 407 and the second pressure gauge 409.

Specifically, as shown in fig. 2, the input end of the quartz sand filter 404 is used as the input end of the primary filtering module 40 and is connected with the output end of the third butterfly valve 202, and the input end of the quartz sand filter 404 is provided with a first pressure sensor 400 and a third pressure gauge 401, and the third pressure gauge 401 is used for displaying the pressure of the input end of the primary filtering module 40, so that the actual field viewing is facilitated. The output end of the quartz sand filter 404 is connected with the input end of the activated carbon filter 408 sequentially through a first sampling valve 403 and a first pressure gauge 405, and the first pressure gauge 405 is used for displaying the pressure of the fluid flowing out of the quartz sand filter 404; the first sampling valve 403 is used for sampling by the first sampling valve 403 when the sample filtered by the quartz sand filter 404 needs to be sampled. In practical applications, the first damper 402 may be disposed, and the fluid flowing out through the third butterfly valve 202 enters the quartz sand filter 404 through the first damper 402 to be filtered, and the filtered fluid flows out from the first damper 402. The output end of the activated carbon filter 408 is connected with the input end of the fine filtration module 50 sequentially through a second sampling valve 407 and a second pressure gauge 409, and the second pressure gauge 409 is used for displaying the pressure of the fluid flowing out of the activated carbon filter 408; the second sampling valve 407 is used for sampling by the second sampling valve 407 when the sample filtered by the activated carbon filter 408 needs to be sampled. In practical applications, a second rinse valve 406 may be provided, and the fluid passing through the second rinse valve 406 enters the activated carbon filter 408 for re-filtration, and the filtered fluid flows out of the second rinse valve 406.

In the example, quartz sand and activated carbon are utilized for secondary filtration, so that foreign odor, metal particles and other impurities in water can be effectively absorbed, and the water quality is improved.

After the fluid is subjected to secondary filtration by the primary filtration module 40, part of impurities still cannot be filtered, and the fluid can be subjected to tertiary filtration by the fine filtration module 50, so that the water supply quality is improved. In one example, the fine filtering module 50 includes: a fifth butterfly valve 501, a bleed valve 502, a sixth pressure sensor 503, a precision filter 504, and a fourth pressure gauge 505;

the input end of the fifth butterfly valve 501 is connected with the output end of the activated carbon filter 408 as the input end of the fine filter module 50, the output end of the fifth butterfly valve 501 is connected with the input end of the fine filter 504, and the output end of the fine filter 504 is connected with the input end of the second booster pump unit 60 as the output end of the fine filter module 50;

the fine filter 504 is provided with a sixth pressure sensor 503 and a purge valve 502; the integrated controller 00 is connected to the sixth pressure sensor 503 and the air release valve 502, and is further configured to obtain a sixth pressure in the precision filter 504 collected by the sixth pressure sensor 503, and when the sixth pressure is higher than a sixth preset value, control the air release valve 502 to open.

Specifically, as shown in fig. 2, an input end of the fifth butterfly valve 501 is connected to an output end of the activated carbon filter 408 as an input end of the fine filter module 50, and the input end of the fifth butterfly valve 501 is provided with a second pressure sensor 500, and the fifth butterfly valve 501 is in a normally open state and is used for intercepting on-off of fluid. The output end of the fifth butterfly valve 501 is connected with the input end of the precise filter 504, and the output end of the precise filter 504 is connected with the input end of the second booster pump group 60 as the output end of the precise filter module 50; at the output of the precision filter 504, a fourth pressure gauge 505 may be provided; wherein, the fine filter adopts a multi-layer glass fiber filter core, which can filter particles with the size of 0.01 μm or more, clay, colloidal silicon and microorganisms (bacteria, algae, etc.) in the fluid, thereby realizing the third filtration of the fluid. The fine filter 504 is provided with a sixth pressure sensor 503 and a purge valve 502; the integrated controller 00 is connected to the sixth pressure sensor 503 and the air release valve 502, and is further configured to obtain a sixth pressure in the precision filter collected by the sixth pressure sensor 503, and when the sixth pressure is higher than a sixth preset value, control the air release valve 502 to open for air release.

In the example, through the precise filter in the fine filtering module, the fluid can be filtered for the third time, and particles with the size of 0.01 mu m and more in the fluid, clay, colloidal silicon, microorganisms (bacteria, algae and the like) are removed, so that the quality of water supply is effectively improved; and the pressure in the precise filter is obtained through the integrated controller, and when the pressure is large, the air release valve of the precise filter is controlled to be opened for air release, so that the integrated control of the water supply system is realized.

In one example, the ultrafiltration module 70 includes: an ultrafiltration membrane group 703 and a third sampling valve 702; the water supply system further comprises: a flow control valve 700;

an input end of the flow control valve 700 is connected with an output end of the second booster pump group 60;

the input end of the ultrafiltration membrane group 703 is connected to the output end of the flow control valve 700 as the input end of the ultrafiltration module 70, the output end of the ultrafiltration membrane group 703 is connected to the input end of the third booster pump group 90 as the output end of the ultrafiltration module 70, and the ultrafiltration membrane group 703 is provided with a third sampling valve 702.

Specifically, as also shown in fig. 2, the input end of the flow control valve 700 is connected to the output end of the second booster pump unit 60, for flow regulation when the inlet flow of the ultrafiltration module 70 is large; the input end of the ultrafiltration membrane group 703 is connected with the output end of the flow control valve 700 as the input end of the ultrafiltration module 70; the ultrafiltration membrane group 703 filters humic acid, synthetic organic compounds, viruses, proteins, and the like by filtering the pressurized solute particles again, thereby realizing the fourth filtration of the fluid; the input end of the ultrafiltration membrane group 703 is provided with a third pressure sensor 701; the output end of the ultrafiltration membrane group 703 is connected with the input end of the third booster pump group 90 as the output end of the ultrafiltration module 70, and the ultrafiltration membrane group 703 is provided with a third sampling valve 702 for sampling when ultrafiltration water quality sampling is required. In order to improve the ultrafiltration effect, a plurality of ultrafiltration membrane groups 703 may be disposed in parallel, wherein an input end of each ultrafiltration membrane group 703 is connected to an output end of the flow control valve 700, and an output end of each ultrafiltration membrane group 703 is converged to be an output end of the ultrafiltration module 70, and a third sampling valve 702 is disposed on each ultrafiltration membrane group 703.

In this example, the ultrafiltration module is used for filtering the fluid for the fourth time to remove organic compounds, viruses, proteins and other substances in the fluid, so that the water quality of the fluid can be effectively improved.

After removing small molecule impurities from the fluid by the ultrafiltration module 70, the fluid may be uv sterilized to improve water quality. In one example, the water supply system further comprises: an ultraviolet sterilization module; the ultraviolet sterilization module includes: a sixth butterfly valve 800, a pass-through butterfly valve 801, an ultraviolet sterilizer 802, and a seventh butterfly valve 803;

the input ends of the sixth butterfly valve 800 and the through butterfly valve 801 are communicated and connected to the output end of the ultrafiltration membrane group 703, the output end of the sixth butterfly valve 800 is connected with the input end of the ultraviolet sterilizer 802, the output end of the ultraviolet sterilizer 802 is connected with the input end of the seventh butterfly valve 803, and the output end of the seventh butterfly valve 803 is communicated with the output end of the through butterfly valve 801 and connected to the input end of the third booster pump group 90;

the integrated controller 00 is connected with the sixth butterfly valve 800, the through butterfly valve 801 and the seventh butterfly valve 803, and is further configured to control the opening of the through butterfly valve 801 and control the closing of the sixth butterfly valve 800 and the seventh butterfly valve 803 when the water quality data of the fluid filtered by the ultrafiltration module 70 reaches a preset second condition according to the water quality data of the output end of the ultrafiltration module 70; and when the water quality data of the fluid filtered by the ultrafiltration module 70 does not reach the preset second condition, controlling the through butterfly valve 801 to be closed and controlling the sixth butterfly valve 800 and the seventh butterfly valve 803 to be opened.

Specifically, as also shown in fig. 2, the input of the ultraviolet sterilizer 802 is connected to the output of the ultrafiltration membrane group 703 through a sixth butterfly valve 800 together with the input of the straight-through butterfly valve 801; the output end of the ultraviolet sterilizer 802 is connected to the input end of the third booster pump group 90 together with the output end of the through butterfly valve 801 through a seventh butterfly valve 803; the ultraviolet sterilizer 802 can remove viral bacteria carried in a fluid. The integrated controller 00 is connected with the sixth butterfly valve 800, the through butterfly valve 801 and the seventh butterfly valve 803, and is further configured to determine that disinfection is not required when the water quality data of the fluid filtered by the ultrafiltration module 70 reaches a preset second condition according to the water quality data of the output end of the ultrafiltration module 70, control the opening of the through butterfly valve 801, and control the closing of the sixth butterfly valve 800 and the seventh butterfly valve 803, so that the fluid is directly output to the third booster pump group 90; and when the water quality data of the fluid filtered by the ultrafiltration module 70 does not reach the preset second condition, controlling the through butterfly valve 801 to be closed and controlling the sixth butterfly valve 800 and the seventh butterfly valve 803 to be opened so as to enable the ultraviolet sterilizer 802 to sterilize the fluid.

In the example, the ultraviolet disinfection module is used for disinfecting and sterilizing the fluid, so that the quality of the fluid can be effectively improved, and the safer and more sanitary domestic water is provided; and when the fluid output by the ultrafiltration module does not need to be disinfected, the integrated controller controls the direct butterfly valve of the ultraviolet disinfection module to be opened, so that the water supply efficiency is improved, and when the fluid needs to be disinfected, the direct butterfly valve is controlled to be closed, and the fluid is disinfected and sterilized by the ultraviolet sterilizer, so that the integrated control of a water supply system is realized.

In practice, the ultraviolet sterilizer 802 can be constructed in a variety of ways. Fig. 3 is a schematic structural diagram of an ultraviolet sterilizer 802 according to an embodiment of the present application, as shown in fig. 3, in one example, the ultraviolet sterilizer includes: the device comprises a water drain valve, an ultraviolet lamp tube, a controller, a perspective window, a pressure-resistant barrel and a communication line;

the input end of the pressure-resistant barrel is used as the input end of the ultraviolet sterilizer 802 and is connected with the output end of the sixth butterfly valve 800; the output end of the pressure-resistant barrel is used as the output end of the ultraviolet sterilizer 802 and is connected with the input end of the seventh butterfly valve 803;

the pressure-resistant barrel is provided with a water drain valve, an ultraviolet lamp tube and a perspective window;

the integrated controller 00 is also used for controlling the sixth butterfly valve 800 and the seventh butterfly valve 803 to be closed and controlling the drain valve to be opened when the ultraviolet lamp tube is abnormal.

Specifically, the input end of the pressure-resistant barrel is used as the input end of the ultraviolet sterilizer 802 and is connected with the output end of the sixth butterfly valve 800; the output end of the pressure-resistant barrel is used as the output end of the ultraviolet sterilizer 802 and is connected with the input end of the seventh butterfly valve 803; after entering the water inlet of the ultraviolet sterilizer 802, the fluid is sterilized in the pressure resistant barrel, and after sterilization is completed, the fluid is discharged from the water outlet of the ultraviolet sterilizer 802. The pressure-resistant barrel is provided with a water drain valve, an ultraviolet lamp tube and a perspective window, the perspective window is used for checking whether the built-in ultraviolet lamp tube is abnormal, the integrated controller 00 is also used for controlling the sixth butterfly valve 800 and the seventh butterfly valve 803 to be closed when the maintenance is needed, and controlling the water drain valve to be opened, so that water in the pressure-resistant barrel is discharged out of the cavity, and the on-site operation and maintenance is convenient. The ultraviolet sterilizer 802 is provided with a controller for receiving a control signal of the integrated controller to the ultraviolet sterilizer 802 and controlling the ultraviolet lamp to be turned on or off through a communication line.

In this example, the ultraviolet sterilizer 802 is utilized to sterilize fluid, the integrated controller is used to control the starting of the ultraviolet lamp tube in the ultraviolet sterilizer, and the water drain valve is controlled to be opened to drain water when the maintenance is needed, so that the integrated control of the water supply system is realized.

In one example, the water supply system further comprises: an eighth butterfly valve 901, a ninth butterfly valve 902, and a third check valve 903;

the input end of the third booster pump group 90 is connected with the output end of the ultrafiltration module 70 through an eighth butterfly valve 901;

the output end of the third booster pump group 90 is connected with a water pipeline through a ninth butterfly valve 902 and a third check valve 903 in sequence.

Specifically, as shown in fig. 2, the input end of the third booster pump group 90 is connected to the output end of the ultrafiltration module 70 through an eighth butterfly valve 901, and the input end of the third booster pump group 90 is provided with a fourth pressure sensor 900; the output end of the third booster pump group 90 is connected with a water pipeline through a ninth butterfly valve 902 and a third check valve 903 in sequence, and the output end of the third booster pump group 90 is provided with a fourth pressure sensor 900. The eighth butterfly valve 901 and the ninth butterfly valve 902 are mainly used for intercepting the on-off of the fluid, and are in a normally open state for a long time, and the third check valve 903 prevents the fluid from flowing back after the third booster pump group 90 stops. For example, in order to ensure that the fluid pressure output to the water line is sufficient, a plurality of third booster pump groups 90 may be provided in parallel, each third booster pump group 90 being provided with a corresponding eighth butterfly valve 901, ninth butterfly valve 902 and third check valve 903.

In the above-mentioned solution, the control of the first booster pump unit 20, the second booster pump unit 60, the third booster pump unit 90, the electric valve 101, the blow-down valve 107, the bleed valve 502, the sixth butterfly valve 800, the through butterfly valve 801 and the seventh butterfly valve 803 by the integrated controller 00 may be implemented in various manners, for example, may be implemented by a software device installed in a processor, and in one example, the integrated controller 00 may include a processor, and be connected to the foregoing pressure sensors and devices to be controlled, for example, the booster pump unit, etc., for controlling components in the water supply system according to a preset control policy.

As an example, the integrated controller may also control the rotational speed of the booster pump group by means of a circuit, and in one example, the integrated controller 00 comprises: a control unit 01; the control unit 01 includes: a PID controller 015, a V/f controller 016, a PWM transmitting unit 017 and an inverter frequency converter 013;

the input end of the PID controller 015 is connected with the fifth pressure sensor 904, and is used for obtaining the fifth pressure, determining the rotation speed of the third booster pump group 90 according to the fifth pressure and a fifth preset value, and outputting a rotation speed control signal;

the input end of the V/f controller 016 is connected with the output end of the PID controller 015 and is used for calculating the output voltage corresponding to the inverter 013 according to the rotation speed control signal and outputting the output voltage;

The input end of the PWM transmitting unit 017 is connected with the output end of the V/f controller 016 and is used for outputting PWM control signals according to the output voltage;

the input end of the inverter frequency converter 013 receives the three-phase direct current voltage, the control end of the inverter frequency converter 013 is connected with the output end of the PWM transmitting unit 017, and the output end of the inverter frequency converter 013 is connected with the control end of the third booster pump group 90 and is used for outputting the three-phase alternating current according to the PWM control signal to control the third booster pump group 90 to operate.

Specifically, fig. 4 is a schematic structural diagram of a control unit 01 provided in an embodiment of the present application, as shown in fig. 4, the controller 00 may include a three-phase power supply and the control unit 01, where the control unit 01 includes a circuit breaker 010, a rectifier 011, a capacitor 012, an inverter 013, a current sensor 014, a PID controller 015, a V/f controller 016 and a PWM transmitting unit 017, and can control the third booster pump unit 90 to be turned on and control the rotation speed of the third booster pump unit 90 when the fifth pressure is lower than a fifth preset value. The PID controller 015 is connected to the fifth pressure sensor 904, and is configured to obtain a fifth pressure, determine, according to a difference between the fifth pressure and a fifth preset value, a rotational speed of the third booster pump group 90 based on a preset transfer function, and output a rotational speed control signal; the input end of the V/f controller 016 is connected with a PID controller 015 and is used for calculating and outputting output voltage corresponding to the inverter 013 according to the rotation speed control signal; the input end of the PWM transmitting unit 017 is connected with the output end of the V/f controller 016 and is used for outputting PWM control signals according to the output voltage. The rectifier 011 is connected to a three-phase power supply through a circuit breaker 010 for converting a three-phase alternating current signal into a three-phase direct current voltage; the capacitor 012 is connected to the rectifier 011 for smoothing the three-phase dc voltage; an input end of the inverter frequency converter 013 is connected with the capacitor 012, a control end of the inverter frequency converter 013 is connected with an output end of the PWM transmitting unit 017, and an output end of the inverter frequency converter 013 is connected with a control end of the third booster pump group 90 and is used for receiving three-phase direct current voltage and outputting three-phase alternating current according to PWM control signals to control the operation of the third booster pump group 90; a current sensor 014 is provided at the output end of the inverter 013, and detects the current actually output by the inverter 013. The third booster pump unit 90 may include a plurality of water pumps, the controller 00 may include a three-phase power supply and a control unit 01 corresponding to each water pump in the third booster pump unit 90, the water supply system further includes a motor corresponding to each water pump in the third booster pump unit 90, and an output end of each inverter frequency converter 013 may be connected with the motor corresponding to the water pump in the third booster pump unit 90, and the rotational speed of the motor is controlled by outputting three-phase alternating current.

The V/f controller 016 can comprise an industrial control software meta-program for realizing the linkage operation of multiple pumps in the pump group. When the total operation rated flow of the currently operated water pump in the third booster pump group 90 cannot meet the boosting requirement of the system, the system automatically judges that the pump needs to be added, the output frequency of the inverter frequency converter 013 corresponding to a certain non-started water pump is gradually increased, the motor rotation speed of the non-started water pump is continuously accelerated according to the feedback of the inverter frequency converter 013, the operation is started, the frequency of the operated water pump is reduced, the frequency of the operated water pump is balanced with the frequency of the later-input water pump, the long-time power frequency operation of the system is reduced, and the energy consumption is reduced.

In practical applications, the first booster pump unit 20 and the second booster pump unit 60 may also be provided with corresponding control units 01, which respectively control the rotational speeds of the first booster pump unit 20 and the second booster pump unit 60, which are not described herein again.

Fig. 5 is a network architecture diagram of a digitally integrated multi-layer filtered water supply system according to one embodiment of the present application, as shown in fig. 5,

the integrated controller 00 mainly monitors the water supply system, performs data acquisition, and controls the water supply system based on the data acquisition result. Specifically, the integrated controller 00 collects water quality data at the output end of the water storage module 10, a first pressure at the input end of the primary filtering module 40, and a second pressure at the input end of the fine filtering module 50, and controls the first booster pump unit 20 to be turned on when the water quality data reaches a preset first condition and the first pressure is lower than a first preset value or the second pressure is lower than a second preset value, and controls the blow-off valve 107 to be turned on when the water quality data does not reach the preset condition; collecting the third pressure at the input end of the ultrafiltration module 70 and the fourth pressure at the input end of the third booster pump unit 90, and controlling the second booster pump unit 60 to be started when the third pressure is lower than a third preset value or the fourth pressure is lower than a fourth preset value; collecting the fifth pressure of the output end of the third booster pump group 90, and controlling the third booster pump group 90 to be opened when the fifth pressure is lower than a fifth preset value, so that the water pressure of each place in the water supply system is ensured to be sufficient, the flow and the filtration of fluid can be realized, and the water pressure of water used by a user end is ensured; collecting the liquid level in the water tank 104, and controlling the electric valve 101 to be opened when the liquid level in the water tank 104 is lower than a preset liquid level value; when the liquid level is not lower than the liquid level value, the electric valve 101 is controlled to be closed; and, collecting a sixth pressure in the fine filter 504, and controlling the air release valve 502 to be opened when the sixth pressure is higher than a sixth preset value; and collecting water quality data at the output end of the ultrafiltration module 70, and controlling the through butterfly valve 801 to be opened and controlling the sixth butterfly valve 800 and the seventh butterfly valve 803 to be closed when the water quality data of the fluid filtered by the ultrafiltration module 70 reaches a preset second condition; when the water quality data of the fluid filtered by the ultrafiltration module 70 does not reach a preset second condition, the through butterfly valve 801 is controlled to be closed, and the sixth butterfly valve 800 and the seventh butterfly valve 803 are controlled to be opened; and collecting the operation state data of the ultraviolet lamp, controlling the sixth butterfly valve 800 and the seventh butterfly valve 803 to be closed when the ultraviolet lamp is abnormal, and controlling the water drain valve to be opened. Based on the above mode, the integrated controller 00 can realize the integrated control of the water supply system, thereby being beneficial to improving the automation and intelligent degree of the water supply system and improving the water supply quality.

Further, the integrated controller 00 includes a programmable controller, and can perform man-machine interaction of data through the programmable controller, visually display acquired data in a touch screen through a man-machine interface (Human Machine Interface, HMI), and enable an operation and maintenance personnel to set preset data such as a first preset value, a second preset value, a third preset value, a fourth preset value, a fifth preset value, a sixth preset value, a seventh preset value, a preset liquid level value, a first condition, a second condition and the like through the HMI.

The integrated controller 00 can also receive a remote control instruction through a wired communication mode (private network) and a wireless communication mode (wireless terminal equipment DTU), realize the control of a water supply system according to the remote control instruction, and upload acquired data.

In the wired communication mode, a remote platform such as a central control room enters a switch in the integrated controller 00 through a peripheral optical fiber cat, the switch is connected with a programmable controller to enable the interior to form a local area network, data in the programmable controller are uploaded through the network, and an operation and maintenance person can realize remote control of a water supply system through a PC terminal of the central control room.

In the wireless communication mode, the integrated controller 00 is mainly connected with the cloud through an RS48 bus serial port in the programmable controller, and remote interaction and remote control of data are realized through the flow card, so that the integrated controller can communicate with the mobile terminal, the PC end and the workstation.

In the water supply system provided by the embodiment, the water storage module, the first booster pump group, the primary filter module, the fine filter module, the second booster pump group, the ultrafiltration module, the water supply module and the third booster pump group are sequentially arranged, and the primary filter module, the fine filter module and the ultrafiltration module are arranged to carry out multistage filtration on fluid, so that impurities in the fluid can be effectively removed, and the water quality is improved; and a plurality of booster pump groups are arranged in the water supply system, so that multistage pressurization can be performed, and the pressure of fluid in the water supply system is ensured to be sufficient; the water supply system is monitored by setting an integrated controller, the water supply system is controlled, when the water quality data of the fluid output by the water storage module is abnormal, the first booster pump group is controlled to be closed to stop water supply, and the water quality data is transmitted to the remote monitoring platform; when the water quality data of the fluid output by the water storage module is normal and the pressure of the input end of the primary filtering module is insufficient or the pressure of the input end of the fine filtering module is insufficient, a first booster pump group at the front end of the primary filtering module is controlled to be started; when the pressure of the input end of the fine filtration module is insufficient or the pressure of the input end of the third booster pump group is insufficient, the second booster pump group at the front end of the fine filtration module is controlled to be started; and when the pressure at the output end of the third booster pump set is insufficient, the third booster pump set is controlled to be started, so that the integrated control of a water supply system is realized, the control efficiency is improved, and the water supply quality is improved.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. A digitally integrated multi-layer filtered water supply system, comprising: the device comprises a water storage module, a primary filtering module, a fine filtering module, an ultrafiltration module, a first booster pump group, a second booster pump group, a third booster pump group and an integrated controller;

2. The system of claim 1, wherein the water storage module comprises: the device comprises a first butterfly valve, an electric valve, a Y-shaped filter, a backflow preventer, a water tank, a first liquid level sensor, a drain valve, a drain ditch and a second butterfly valve;

3. The system of claim 2, wherein the prefilter module comprises: the device comprises a quartz sand filter, a first sampling valve, a first pressure gauge, an activated carbon filter, a second sampling valve and a second pressure gauge;

4. The system of claim 3, wherein the water supply system further comprises: a flocculant dosing module; the flocculant dosing module comprises: the flocculant dosing tank, the dosing pump, the second liquid level sensor, the fourth butterfly valve and the second check valve;

5. The system of claim 3, wherein the fine filtering module comprises: a fifth butterfly valve, a bleed valve, a sixth pressure sensor and a precision filter;

6. The system of claim 5, wherein the ultrafiltration module comprises: an ultrafiltration membrane group; the water supply system further includes: a flow control valve;

7. The system of claim 6, wherein the water supply system further comprises: an ultraviolet sterilization module; the ultraviolet sterilization module includes: a sixth butterfly valve, a straight-through butterfly valve, an ultraviolet sterilizer, and a seventh butterfly valve;

8. The system of claim 7, wherein the ultraviolet sterilizer comprises: the device comprises a water drain valve, an ultraviolet lamp tube, a controller, a perspective window, a pressure-resistant barrel and a communication line;

9. The system of claim 1, wherein the water supply system further comprises: an eighth butterfly valve, a ninth butterfly valve, and a third check valve;

10. The system of any one of claims 1-9, wherein the integrated controller comprises: a control unit;

the input end of the PID controller is connected with the fifth pressure sensor and is used for acquiring the fifth pressure, determining the rotating speed of the third booster pump group according to the fifth pressure and a fifth preset value and outputting a rotating speed control signal;

the input end of the V/f controller is connected with the output end of the PID controller and is used for calculating the output voltage corresponding to the inverter frequency converter according to the rotating speed control signal and outputting the output voltage;