CN212476386U - Water treatment system of tap water plant - Google Patents

Abstract

The utility model relates to a water treatment system of water works, include the reaction tank that communicates in proper order through the pipeline, the sedimentation tank, the filtering pond, control module and a plurality of solenoid valves of installing on the pipeline are provided with PH detection sensor in the reaction tank, are provided with turbidity sensor in the sedimentation tank, and the exit in filtering pond is provided with pressure sensor, and control module includes MCU, communication unit, solenoid valve drive unit, alarm unit and signal conversion unit, PH detection sensor, turbidity sensor reach pressure sensor passes through respectively signal conversion unit with MCU electricity is connected, and communication unit, solenoid valve drive unit and alarm unit are connected with MCU electricity respectively, and the solenoid valve passes through solenoid valve drive unit and is connected with MCU electricity. The utility model discloses set up PH detection sensor and turbidity sensor respectively and detect quality of water respectively in the reaction tank of water factory and sedimentation tank, avoid unqualified quality of water to flow out, reduce the water treatment cost to full automation control need not manual operation.

Description

Water treatment system of tap water plant

Technical Field

The utility model relates to a water treatment technical field especially relates to a water treatment system of water works from beginning.

Background

The existing tap water treatment system is generally directly communicated with a water source, and water in the water source is sent into a municipal tap water pipeline after passing through a reaction tank, a sedimentation tank and a filter tank arranged in a water plant, so that tap water meeting the standard is provided for citizens.

The existing water works do not directly detect the water quality, but uniformly detect the water quality at a tap water outlet, once unqualified water quality is found, the water quality cannot be communicated with a municipal pipeline, and all subsequent water needs to be treated again, so that the production cost of the water works is increased.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a water treatment system of a water plant aiming at the condition that the cost is increased due to the centralized detection of water quality in the existing water plant, and a PH detection sensor and a turbidity sensor are respectively arranged in a reaction tank and a sedimentation tank of the water plant to respectively detect the water quality, so that the outflow of unqualified water quality is avoided, the water treatment cost is reduced, and the whole process is automatically controlled without manual operation.

The utility model provides a water treatment system of water works, includes the reaction tank that communicates in proper order through the pipeline, the sedimentation tank, the filtering pond, control module with install a plurality of solenoid valves on the pipeline, be provided with PH detection sensor in the reaction tank, be provided with turbidity sensor in the sedimentation tank, the exit of filtering pond is provided with pressure sensor, control module includes MCU, communication unit, solenoid valve drive unit, alarm unit and signal conversion unit, PH detection sensor, turbidity sensor reach pressure sensor passes through respectively signal conversion unit with the MCU electricity is connected, communication unit, solenoid valve drive unit and alarm unit respectively with the MCU electricity is connected, the solenoid valve passes through solenoid valve drive unit with the MCU electricity is connected.

Preferably, the solenoid valve driving unit includes a temperature reducer U1, an optical coupler U2, resistors R1 and R2, a capacitor C1, and a diode D1, a pin 1 of the optical coupler U2 is connected to a power VCC1 through a resistor R1, a pin 2 of the optical coupler U2 is connected to a signal output interface of the MCU, a pin 3 of the optical coupler U2 is grounded, a pin 4 of the optical coupler U2 is connected to a pin 2 of the temperature reducer U1, a pin 1 of the temperature reducer U1 is connected to a power VCC2, one end of the capacitor C1 is connected to a pin 1 of the temperature reducer U1 and the other end of the capacitor C1 is grounded, one end of the resistor R2 is connected between a pin 4 of the optical coupler U2 and a pin 2 of the temperature reducer U1, the other end of the resistor R2 is connected to a pin VCC2, a pin 4 of the temperature reducer U1 is grounded, an anode of the diode D1 is connected to a pin 4 of the temperature reducer U1, and a cathode of the temperature reducer U38.

Preferably, the system also comprises an acid liquid tank and an alkaline liquid tank, wherein the acid liquid tank and the alkaline liquid tank are respectively communicated with the reaction tank through the pipelines.

Preferably, the alarm unit comprises a buzzer and an LED alarm lamp, and the buzzer and the LED alarm lamp are respectively and electrically connected with the MCU.

The utility model discloses an useful part lies in: 1. a PH detection sensor and a turbidity sensor are respectively arranged in the reaction tank and the sedimentation tank which are sequentially communicated, and are used for respectively detecting the PH value and the water quality turbidity of the water in the reaction tank and the sedimentation tank, so that the water quality which does not meet the requirements is prevented from flowing into the next water tank, the water treatment cost is reduced, and the requirements of healthy life of people are met; 2. set up pressure sensor in filtering pond exit for detect export water pressure, and through 5 control solenoid valve adjusting valve switching ranges of control module, and then adjust water pressure, full automation control need not artifical and takes care of, reduces the human cost.

Drawings

FIG. 1 is a schematic diagram of a water treatment system of a waterworks according to one embodiment;

FIG. 2 is a schematic diagram of a circuit module of a water treatment system of a water plant;

FIG. 3 is a circuit diagram of the solenoid valve driving unit;

FIG. 4 is a circuit diagram of the MCU and the alarm unit.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in figures 1-2, a water treatment system of a tap water plant comprises a reaction tank 2, a sedimentation tank 3, a filter tank 4, a control module 5 and a plurality of electromagnetic valves 6 arranged on a pipeline 1 which are sequentially communicated through the pipeline 1, a PH detection sensor 21 is arranged in the reaction tank 2, a turbidity sensor 31 is arranged in the sedimentation tank 3, the outlet of the filter chamber 4 is provided with a pressure sensor 41, the control module 5 comprises an MCU51, a communication unit 52, an electromagnetic valve driving unit 53, an alarm unit 54 and a signal conversion unit 55, the PH detection sensor 21, the turbidity sensor 31 and the pressure sensor 41 are electrically connected to the MCU51 through the signal conversion unit 55, the communication unit 52, the electromagnetic valve driving unit 53 and the alarm unit 54 are respectively electrically connected with the MCU51, the solenoid valve 6 is electrically connected with the MCU51 through the solenoid valve driving unit 53. Specifically, in the present embodiment, the reaction tank 2 is communicated with a water source, for example, a reservoir, through the pipeline 1, a PH detection sensor 21 is disposed in the reaction tank 2 for detecting a PH value of water quality, and feeding back a detection result to the control module 5, the control module 5 determines whether the PH value of the water quality in the reaction tank 2 is within a preset range, if so, the electromagnetic valve 6 between the reaction tank 2 and the sedimentation tank 3 is opened, and moisture enters the sedimentation tank 3 through the pipeline 1; if not, the control module 5 closes the battery valve 6 between the reaction tank 2 and the sedimentation tank 3, so that moisture is prevented from entering the sedimentation tank 3, and the purpose of processing the moisture step by step is achieved. Further, after the water enters the sedimentation tank 3, the turbidity sensor 31 detects whether the turbidity of the water meets the requirement, if so, the final disinfection treatment is carried out in the filter tank 4 through the pipeline 1, and if not, the water continues to precipitate in the sedimentation tank 3. Further, the control module 5 comprises a MCU51, a communication unit 52, a solenoid valve driving unit 53, an alarm unit 54 and a signal conversion unit 55, the MCU51 is a single chip microcomputer, and is configured to process feedback data of the PH detection sensor 21, the turbidity sensor 31 and the pressure sensor 41, and control the opening and closing of the solenoid valve 6 through the data, and the control module 5 is further provided with the alarm unit 54, so as to send out alarm information when the battery valve 6 fails, and remind a worker of timely handling.

As shown in fig. 3, the solenoid valve driving unit 53 includes a temperature reducer U1, an optical coupler U2, resistors R1 and R2, a capacitor C1, and a diode D1, wherein a pin 1 of the optical coupler U2 is connected to a power supply VCC1 through a resistor R1, a pin 2 of the optical coupler U2 is connected to a signal output interface of the MCU51, a pin 3 of the optical coupler U2 is grounded, a pin 4 of the optical coupler U2 is connected to a pin 2 of the temperature reducer U1, a pin 1 of the temperature reducer U1 is connected to a power supply VCC2, one end of the capacitor C1 is connected to a pin 1 of the temperature reducer U1, and the other end of the capacitor C3646 is grounded, one end of the resistor R2 is connected between a pin 4 of the optical coupler U2 and a pin 2 of the temperature reducer U2, the other end of the resistor R2 is connected to a power supply VCC2, a pin 4 of the temperature reducer U2 is grounded, and a negative electrode of the diode D2 is connected to a pin 3 of the temperature reducer U2. Specifically, the cooler U1 is integrated in the solenoid valve driving unit 53, and the cooler U1 can automatically reduce the power of the solenoid valve 6 to the minimum after the solenoid valve 6 is started by a large current, so that the minimum power required by the adsorption of the armature of the solenoid valve is met, a large amount of heat energy is not generated, the temperature rise amplitude of the solenoid valve 6 is reduced, and the service life of the solenoid valve is prolonged. In addition, in the embodiment, the output signal of the MCU51 is electrically connected to the desuperheater U1 through the optocoupler U2, so that the electromagnetic interference on the desuperheater U1 is small.

As shown in fig. 1, the device further comprises an acid liquid tank 7 and an alkaline liquid tank 8, wherein the acid liquid tank 7 and the alkaline liquid tank 8 are respectively communicated with the reaction tank 2 through the pipeline 1. Specifically, when the PH detection sensor 21 detects that the PH value of the water in the reaction tank 2 does not meet the requirement, the MCU51 can control the opening and closing of the solenoid valve 6 on the pipeline 1, and the liquid in the acid liquid tank 7 or the alkaline liquid tank 8 is discharged into the reaction tank 2 for neutralization until the PH detection is qualified.

As shown in fig. 4, the alarm unit 54 includes a buzzer 541 and an LED alarm lamp 542, and the buzzer 541 and the LED alarm lamp 542 are electrically connected to the MCU51, respectively. Specifically, in this embodiment, two alarm modes, namely sound and light, are adopted, so that it is obvious to remind workers of an accident.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (4)

1. The utility model provides a water treatment system of water works, includes the reaction tank that communicates in proper order through the pipeline, sedimentation tank, filtering pond, control module with install a plurality of solenoid valves on the pipeline, its characterized in that: be provided with PH detection sensor in the reaction tank, be provided with turbidity sensor in the sedimentation tank, the exit in filtering pond is provided with pressure sensor, control module includes MCU, communication unit, solenoid valve drive unit, alarm unit and signal conversion unit, PH detection sensor, turbidity sensor reach pressure sensor passes through respectively signal conversion unit with the MCU electricity is connected, communication unit, solenoid valve drive unit and alarm unit respectively with the MCU electricity is connected, the solenoid valve passes through solenoid valve drive unit with the MCU electricity is connected.

2. A water treatment system as claimed in claim 1, wherein: the solenoid valve drive unit includes desuperheater U1, opto-coupler U2, resistance R1 and R2, electric capacity C1, diode D1, 1 foot of opto-coupler U2 passes through resistance R1 and is connected with power VCC1, 2 feet of opto-coupler U2 and MCU's signal output interface connection, 3 feet ground of opto-coupler U2, 4 feet of opto-coupler U2 and 2 feet of desuperheater U1 are connected, 1 foot of desuperheater U1 and power VCC2 are connected, electric capacity C1 one end with 1 foot of desuperheater U1 is connected, other end ground connection, resistance R2 one end is connected between 4 feet of opto-coupler U2 and 2 feet of desuperheater U1, the other end and power VCC2 are connected, 4 feet ground of desuperheater U1, the positive pole of diode D1 with 4 feet of desuperheater U1, the negative pole of diode D1 with 3 feet of desuperheater U1 are connected.

3. A water treatment system as claimed in claim 1, wherein: the acid-alkali liquor tank is communicated with the reaction tank through the pipeline.

4. A water treatment system as claimed in claim 1, wherein: the alarm unit comprises a buzzer and an LED alarm lamp, and the buzzer and the LED alarm lamp are respectively and electrically connected with the MCU.

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