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Device for on-line detection and automatic alarm of toxic substances and detection method of toxic substances

An automatic alarm device and toxic substance technology, applied in measuring devices, material analysis through electromagnetic means, instruments, etc., can solve the problems of wide luminescence variation range, large difference in bottom value, expensive, etc., and achieve short detection time and simple operation , the effect of rapid warning

Active Publication Date: 2015-06-10
QINGDAO RONGGUANG ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A device that uses light-emitting bacteria to automatically detect toxic substances in water requires various light detection devices, making it expensive and requiring personnel and experts to maintain
In addition, the use of luminescent bacteria to detect toxic substances has the problem of large differences in the background value of luminous intensity and a wide range of luminous changes during the detection period.

Method used

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  • Device for on-line detection and automatic alarm of toxic substances and detection method of toxic substances
  • Device for on-line detection and automatic alarm of toxic substances and detection method of toxic substances
  • Device for on-line detection and automatic alarm of toxic substances and detection method of toxic substances

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 1. The structure of the device for on-line detection of toxic substances and the design and assembly of the microbial electrolytic cell sensor

[0034] figure 1 It is a graphic illustration of an on-line detection and automatic alarm device for toxic substances. The device includes: connecting pipe 1, sampling pump 2, connecting pipe 3, hydrocyclone 4, hydrocyclone overflow pipe 5, connecting pipe 6. Peristaltic pump 7, connecting pipe 8, three-way valve 9, connecting pipe 10, nutrient solution storage tank 11, connecting pipe 12, buffer storage tank 13, connecting pipe 14, three-way valve 15, connecting pipe 16, peristaltic pump 17. Connecting pipe 18, static liquid mixer 19, connecting pipe 20, deoxygenation chamber 21, connecting pipe 22, peristaltic pump 23, connecting pipe 24, microbial electrolytic cell 25, drain pipe 26, thermostat 27, buffer solution storage Tank 28, connecting pipe 29, peristaltic pump 30, connecting pipe 31, deoxygenation chamber 32, connecti...

Embodiment 2

[0046] In embodiment 2, the same microbial electrolysis cell and nutrient solution as in embodiment 1 were used. The sample to be tested passes through connecting pipe 1, sampling pump 2, connecting pipe 3, hydrocyclone 4, hydrocyclone overflow pipe 5, connecting pipe 6, peristaltic pump 7, connecting pipe 8, The three-way valve 9 and the connecting pipe 10 enter the static liquid mixer 19; at the same time, the nutrient solution storage tank 11 contains organic nutrient solution (glucose-glutamic acid simulated artificial wastewater BOD=2500mg / L, pH=7.0) Enter the static liquid mixer 19 through the connecting pipe 12, three-way valve 15, connecting pipe 16, peristaltic pump 17 and connecting pipe 18 at a flow rate of 0.2mL / min, and mix with the sample to be tested in the static liquid mixer 19 After connecting pipe 20, deoxygenation chamber 21, connecting pipe 22, peristaltic pump 23 and connecting pipe 24, enter the anode chamber from the side bottom of the anode chamber of ...

Embodiment 3

[0048] In embodiment 3, the same microbial electrolysis cell and nutrient solution as in embodiment 1 were used. The sample to be tested passes through connecting pipe 1, sampling pump 2, connecting pipe 3, hydrocyclone 4, hydrocyclone overflow pipe 5, connecting pipe 6, peristaltic pump 7, connecting pipe 8, The three-way valve 9 and the connecting pipe 10 enter the static liquid mixer 19; at the same time, the nutrient solution containing organic matter in the nutrient solution storage tank 11 (glucose-glutamic acid simulates artificial wastewater, BOD=2500mg / L, pH=7.0 ) enters the static liquid mixer 19 through the connecting pipe 12, the three-way valve 15, the connecting pipe 16, the peristaltic pump 17 and the connecting pipe 18 at a flow rate of 0.2mL / min, and is mixed with the sample to be tested in the static liquid mixer 19 After mixing, enter the anode chamber from the side bottom of the anode chamber of the microbial electrolysis cell 25 through the connecting pipe...

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Abstract

The invention discloses a device for on-line detection and automatic alarm of toxic substances and a detection method of the toxic substances. The device comprises a microorganism electrolytic cell system, a computer, a control system and an alarm, wherein the microorganism electrolytic cell system is used for sensing a current change caused by introduction of toxic substances; the computer and the control system are used for controlling the operation of the whole device, and are connected with the microorganism electrolytic cell system and the alarm respectively. The microorganism electrolytic cell system comprises a microorganism electrolytic cell and a liquid storage tank, and the microorganism electrolytic cell is connected with the liquid storage tank, a liquid delivery pump and a hydraulic cyclone through connecting pipes. The detection method comprises a step of comparing the amplitudes of electric signals generated by the microorganism electrolytic cell before and after the addition of a sample. The invention has the advantages of high sensitivity, short detection time, simplicity in operation and the like, and can detect on-line the toxic substances in water and then give an alarm automatically. The monitoring and early warning level is greatly improved. This achievement is out of reach for routine monitoring means, and thus the invention has great social benefit.

Description

technical field [0001] The invention relates to a method and a device for detecting toxic substances in water by using a biological method. Specifically, the present invention relates to an online automatic detection method and an automatic alarm device for toxic substances in water using microbial electrolytic cell technology. Background technique [0002] With the rapid development of industrial and agricultural production and the improvement of people's living standards, the types and amounts of artificially synthesized chemical substances have increased sharply, and a large amount of pesticides, chemical fertilizers, heavy metals, industrial wastewater, and domestic garbage have been discharged into the environment, causing serious pollution to the environment. Substances undergo complex physical, chemical and biological transformation processes in the environment, and new pollutants will be formed. Some pollutants may also enter the food chain and accumulate in organism...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/416
Inventor 蒋海明李侠蔡禄
Owner QINGDAO RONGGUANG ELECTRONICS TECH