CN201780678U - Online monitoring system for various factors in water quality - Google Patents

Abstract

The utility model discloses an online monitoring system for various factors of water quality, comprising a sampling unit, an analysis and testing unit, a data acquisition and transmission unit and a monitoring center; The 20-mesh metal screen is used to block debris, and the collected water samples are sent to the analysis and test unit through the pipeline; the analysis and test unit includes various factor detection instruments connected in parallel, and the water samples sent by the sampling unit are tested separately, and Send the detection signal to the data acquisition and transmission unit; the data acquisition and transmission unit includes a control device with data acquisition, processing and storage functions, a display and a communication module electrically connected to the control device, and the data acquisition and transmission unit can The detection signal sent by the analysis and testing unit is converted into detection data by analog-to-digital conversion; the monitoring center includes a central computer and a communication module connected to the central computer. The utility model has the advantages of being able to effectively and real-time monitor the components and contents of various factors in the water quality, improve the treatment efficiency of water quality pollution and the efficiency of water quality monitoring, and reduce the cost of sewage treatment.

Description

Water quality factors online monitoring system

technical field

The utility model relates to a water quality monitoring device, in particular to an on-line monitoring system for various water quality factors used in the water quality on-line monitoring system.

Background technique

With the scarcity of water resources, the protection and management of water resources and the reuse of sewage treatment become necessary. Sampling and analysis of water quality in various water bodies. This is an important content and means of water source protection. It serves to observe water quality dynamics and pollution, conduct environmental quality assessment, and formulate reasonable treatment methods. Our real-time monitoring of water quality must keep abreast of the water quality and better guide us in water treatment strategies and methods. Thereby improving the efficiency of sewage treatment, improving the efficiency and effect of the entire sewage treatment, thereby reducing the cost of sewage treatment.

Contents of the invention

In view of the problems raised above, the purpose of this utility model is to provide an online water quality factor that can effectively monitor the composition and content of each factor in water quality in real time, improve the efficiency of water pollution control and water quality monitoring, and reduce the cost of sewage treatment. Monitoring System.

The utility model is realized through the following technical measures, an online monitoring system for various factors of water quality, including a sampling unit, an analysis and testing unit, a data acquisition and transmission unit and a monitoring center; wherein,

The sampling unit adopts the submersible pump method for sampling. A 10-20-mesh metal screen is installed at the entrance of the submersible pump to block debris, and the collected water samples are sent to the analysis and testing unit through pipelines;

The analysis and test unit includes various factor detection instruments connected in parallel, which detect the water samples sent by the sampling unit respectively, and send the detection signal to the data acquisition and transmission unit;

The data collection and transmission unit includes a control device with data collection, processing and storage functions, and a display and communication module electrically connected to the control device. Convert into detection data, and process, store, display and transmit the detection data;

The monitoring center includes a central computer and a communication module connected to the central computer, which can receive the detection data of various factors of water quality transmitted by the data acquisition and transmission unit, and process, store and display them.

The control device is preferably a programmable logic controller PLC or a single-chip microcomputer.

The above water quality factors are any or all of ammonia nitrogen, cyanide, copper, iron, zinc, manganese, silver, hexavalent chromium, and sulfide.

The main factors monitored by the utility model are ammonia nitrogen, cyanide, copper, iron, zinc, manganese, silver, hexavalent chromium, sulfide and the like. Suitable for various domestic and industrial water treatment systems. In the water quality treatment system, the utility model is used to control and adjust the corresponding treatment methods of sewage through real-time monitoring of various water quality corresponding factors, thereby providing a scientific basis for the treatment of water quality pollution. Avoid the secondary pollution of water treatment and the waste of sewage treatment reagents caused by improper treatment factors in the process of water quality treatment; or the sewage treatment is not up to standard due to insufficient use of sewage treatment chemicals; it can improve the overall water treatment chemicals The utilization rate, and the treatment efficiency and effect of the whole sewage treatment system.

The data acquisition and transmission unit of the utility model can adopt a programmable controller PLC, including data acquisition, processing and storage and its application software, which is to perform real-time analysis and processing on the data detected by the online detection device for each factor component of water quality, so as to provide Simple and clear results reporting. The data results are finally displayed on the display screen. For data records, analysis can be carried out, and then the change of water quality over time can be analyzed. For example, according to the historical records of water quality changes, the daily, weekly, monthly, seasonal and annual changes of sewage treatment components can be analyzed. The utility model can effectively monitor the components and contents of various water quality factors in real time, improve the efficiency of water quality pollution control and water quality monitoring, reduce the cost of sewage treatment, and can be widely used in various water bodies and waste water treatment fields.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Detailed ways

Below in conjunction with embodiment and with reference to accompanying drawing, the utility model is described in further detail.

As shown in Figure 1, an online monitoring system for various factors of water quality includes a sampling unit 1, an analysis and testing unit 2, a data acquisition and transmission unit 3, and a monitoring center 4; wherein,

Sampling unit 1 adopts submersible pump 101 for sampling. A 10-20-mesh metal screen 102 is installed at the entrance of submersible pump 101 to block debris, and the collected water samples are sent to analysis and testing unit 2 through pipelines;

The analysis and testing unit 2 includes parallel-connected ammonia nitrogen, cyanide, copper, iron, zinc, manganese, silver, hexavalent chromium, sulfide and other factor detection instruments 201, respectively detects the water samples sent by the sampling unit 1, and detects The signal is sent to the data acquisition and transmission unit 3;

The data acquisition and transmission unit 3 includes a programmable controller 301 containing data acquisition, processing and storage functions, a display 303 and a communication module 302 electrically connected to the programmable controller 301, and the data acquisition and transmission unit 3 can analyze The detection signal sent by the test unit 2 is converted into detection data by analog-to-digital conversion, and the detection data is processed, stored, displayed and transmitted;

The monitoring center 4 includes a central computer 402 and a communication module 401 connected to the central computer 402. The communication module 401 can receive the detection data of each factor of water quality transmitted by the communication module 302 of the data acquisition and transmission unit 3, and process, storage and display.

The control device is preferably a programmable logic controller PLC or a single-chip microcomputer.

The above is the description of the online monitoring system for various factors of water quality in the present utility model, which is used to help understand the utility model, but the implementation of the utility model is not limited by the above examples, and any changes made without departing from the principle of the utility model , modification, replacement, combination, and simplification, all should be equivalent replacement methods, and are all included in the protection scope of the present utility model.

Claims (3)

1. A water quality factor on-line monitoring system is characterized in that: the system comprises a sampling unit, an analysis testing unit, a data acquisition and transmission unit and a monitoring center; wherein,

the sampling unit is used for sampling in a submersible pump mode, a metal screen mesh with 10-20 meshes is arranged at the inlet of the submersible pump for impurity separation, and the collected water sample is transmitted to the analysis and test unit through a pipeline;

the analysis and test unit comprises various factor detection instruments connected in parallel, respectively detects the water samples transmitted by the sampling unit, and transmits detection signals to the data acquisition and transmission unit;

the data acquisition and transmission unit comprises a control device with data acquisition, processing and storage functions, a display and a communication module, wherein the display and the communication module are electrically connected with the control device;

the monitoring center comprises a central computer and a communication module connected with the central computer, and can receive the detection data of each factor of the water quality transmitted by the data acquisition and transmission unit, and process, store and display the detection data.

2. The water quality factor on-line monitoring system according to claim 1, characterized in that: the control device is a Programmable Logic Controller (PLC) or a single chip microcomputer.

3. The water quality factor on-line monitoring system according to claim 1, characterized in that: the water quality factor is any or all of ammonia nitrogen, cyanide, copper, iron, zinc, manganese, silver, hexavalent chromium and sulfide.

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