A monitoring method for automatic monitoring of chemical dosing sewage treatment system and chemical content

A treatment agent and water treatment technology, applied in the direction of sterilization/microdynamic water/sewage treatment, water/sewage treatment, water/sludge/sewage treatment, etc., to reduce costs, high detection accuracy, and reduce waste

Active Publication Date: 2021-12-21
YIKANG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defect of judging whether dosing is needed in the sewage treatment tank based on the single factor of effluent water quality in the prior art, and to provide a monitoring method for automatically monitoring the dosing sewage treatment system and the content of the medicine. Fluorescence monitoring equipment is organically combined to judge whether it is necessary to add chemicals to the sewage treatment tank through the dual results of water quality analysis and fluorescence monitoring, which avoids the accident of judging only by a single factor, improves the accuracy of dosing, and improves the efficiency of sewage treatment

Method used

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  • A monitoring method for automatic monitoring of chemical dosing sewage treatment system and chemical content
  • A monitoring method for automatic monitoring of chemical dosing sewage treatment system and chemical content
  • A monitoring method for automatic monitoring of chemical dosing sewage treatment system and chemical content

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] 2.5G dendrimer products with ethylenediamine as the core, for scale inhibitor (polyepoxysuccinic acid): corrosion inhibitor (water-soluble benzotriazole): fungicide (dodecyl dimethyl benzyl ammonium chloride) according to the 1:1:1 mixed water treatment agent content monitoring by fluorescence method, the steps are as follows:

[0083] (1) Take 0.1 g of dendrimers with 2.5 g of ethylenediamine as the nucleus and 20 g of mixed water treatment agents, mix and dissolve them in a beaker at a ratio of 1:200, stir them evenly with magnetic force, transfer them into a 100 ml volumetric flask, and configure them as 500mg / L fluorescent label compound water treatment agent;

[0084] (2) Then configure 2.5G ethylenediamine as the core dendrimer concentration to be 0.1mg / L, 0.5mg / L, 1.0mg / L, 3.0mg / L, 5.0mg / L, 7.0mg / L, 9.0 mg / L solution, measure the fluorescence intensity at the wavelength of λem / λex=425 / 370, and draw a standard curve. With the continuous consumption of water trea...

Embodiment 2

[0086] 1.5G dendritic macromolecule products using diethylenetriamine as the core, for scale inhibitor (polyepoxysuccinic acid): corrosion inhibitor (water-soluble benzotriazole): fungicide (dodecyl dimethyl benzyl ammonium chloride) according to the 1:1:1 mixed water treatment agent content monitoring by fluorescence method, the steps are as follows:

[0087] (1) Take 0.1g of dendrimers with 1.5G diethylenetriamine as the core and 20g of mixed water treatment chemicals, mix and dissolve them in a beaker at a ratio of 1:200, stir them evenly by magnetic force, transfer them into a 100ml volumetric flask, and configure into a 500mg / L fluorescently labeled compound water treatment agent;

[0088] (2) Then configure 1.5G diethylenetriamine as the core dendrimer concentration to be 0.1mg / L, 0.5mg / L, 1.0mg / L, 3.0mg / L, 5.0mg / L, 7.0mg / L, 9.0 mg / L solution, measure the fluorescence intensity at the wavelength of λem / λex=475 / 420, and draw a standard curve. With the continuous consump...

Embodiment 3

[0090] Using 2.5G ethylenediamine as the core dendrimers, 1.5G diethylenetriamine as the core dendrimers, according to 1:1, 1:1.2, 1:1.4, 1:1.6, 1:1.8, 1 :2 ratio is compounded and mixed to obtain a mixed-type dendrimer fluorescent tracer, for scale inhibitor (polyepoxysuccinic acid): corrosion inhibitor (water-soluble benzotriazole): bactericide ( Dodecyl dimethyl benzyl ammonium chloride) is carried out content monitoring by fluorescence method by the water treatment agent mixed 1:1:1, and the steps are as follows:

[0091] (1) Take 0.1g of mixed products of dendrimers in different ratios and 20g of mixed water treatment chemicals, mix and dissolve them in a beaker at a ratio of 1:200, stir them evenly with magnetic force, move them into a 100ml volumetric flask, and configure them as 500mg / L fluorescent label compound water treatment agent;

[0092] (2) Then prepare a solution with a concentration of 0.1mg / L, 0.5mg / L, 1.0mg / L, 3.0mg / L, 5.0mg / L, 7.0mg / L, 9.0mg / L, and measur...

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PUM

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Abstract

The invention discloses an automatic monitoring and dosing sewage treatment system, which comprises a computer, PLC, a sewage treatment tank, a dosing pump for dosing the sewage treatment tank, an automatic sampler, an automatic grasping arm, a water quality detector and a fluorescent Monitoring equipment, the sewage treatment tank is equipped with a stirring device; the sewage treatment tank is provided with a sampling port, and the outlet pipe connected to the sampling port transports the water sample to the sampling bottle, and the automatic sampler and the automatic grasping arm are connected to the computer through wires , through the program setting installed by the computer to realize automatic sampling; the bottom of the sampling bottle is provided with a sample outlet; the sample outlet is connected to the water quality detector through a diversion tube, and the automatic grabbing arm is used to transport the sampler to the fluorescence monitoring equipment for Fluorescence intensity analysis. The beneficial effects of the present invention are: improving the accuracy of adding medicine, reducing the waste of medicine, and lowering the cost; at the same time, the stirring plate device with medicine outlet is used to make the medicine mix more evenly in the sewage treatment tank, improve the treatment efficiency and water discharge water quality.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a method for automatically monitoring a chemical-adding sewage treatment system and the content of the chemical. Background technique [0002] With the acceleration of urbanization and industrialization in our country, the discharge of waste water in the country has also increased year by year, resulting in the continuous deterioration of natural water bodies and the severe situation of water resource pollution. The contradiction between my country's water resources shortage, severe water pollution control situation and the sustained growth of the national economy and the gradual improvement of people's living standards has become increasingly prominent. Water pollution and water resource shortages have become serious constraints to the sustainable development of my country's economic society. With the rapid development of my country's economy, environmental protection h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/00C02F1/50C02F5/00G01N21/64
CPCG01N21/6428C02F1/008C02F1/50C02F5/00
Inventor 曲毅郝进伟丁宇张华巍王兆选张培杨谢辉杨宏旺徐慧荟刘雪曹贻社常安盖君朋贾宁金田宗康琦李鹏梁春花柳晓明马吉飞牟玉明裴俊玲任国杰宋晓琳孙国剑王翠辉吴晓峰夏鸿飞刘丽肖洪钢武伟于海深臧岐山张广为张来君赵伟龙郑勇王昌启冯平
Owner YIKANG TECH CO LTD
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