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A device and method for eliminating the memory effect of an online water quality analyzer

A memory effect, analyzer technology, applied in chemical instruments and methods, cleaning methods and utensils, and analysis by chemical reaction of materials, etc., can solve the problems of secondary environmental pollution, waste of water resources, increase of waste liquid, etc., Achieve the effect of less water consumption, saving water resources and fast cleaning

Active Publication Date: 2018-02-06
太仓创造电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cleaning scheme of the existing colorimetric tube is soaking and cleaning, using water to soak the colorimetric tube and then discharge it. If it is to be cleaned thoroughly, at least 3-4 times the volume of water sample measured by the colorimetric tube is needed, and the amount of water used is more. Causes waste of water resources, and the waste water after cleaning is discharged to the waste liquid pool, which increases the waste liquid and causes secondary pollution to the environment

Method used

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  • A device and method for eliminating the memory effect of an online water quality analyzer
  • A device and method for eliminating the memory effect of an online water quality analyzer

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Experimental program
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Effect test

Embodiment 1

[0025] Such as figure 1 As shown, a device for eliminating the memory effect of an online water quality analyzer includes a colorimetric tube 1 and a negative pressure forming device 2 connected to one end of the colorimetric tube 1, and the other end of the colorimetric tube 1 is sealed and connected with a sealing member 7. Water pipeline 3 and ventilation pipeline 4, water pipeline 3, ventilation pipeline 4 communicate with colorimetric tube 1 alternately, when described negative pressure forming device 2 works and described water pipeline 3 and described colorimetric tube 1 When connected, the water sprayed from the water passage 3 can flush the inner wall of the colorimetric tube 1, which can realize rapid cleaning, reduce the water consumption during cleaning, and save water resources. In addition, the discharged waste liquid The corresponding reduction in the amount can reduce the impact of secondary pollution on the environment. In addition, the overall structure is s...

Embodiment 2

[0032] The device for eliminating the memory effect of the online water quality analyzer in this embodiment has basically the same structure as that of Embodiment 1, including a colorimetric tube 1 and a negative pressure forming device 2 connected to the colorimetric tube 1 at one end, and the other end of the colorimetric tube 1 The water pipeline 3 and the ventilation pipeline 4 are sealed and connected, and the water pipeline 3 and the ventilation pipeline 4 communicate with the colorimetric tube 1 alternately. When the water pipeline 3 sprays water in the colorimetric tube 1, the sprayed water can Flush the inner wall of the contrast color tube 1.

[0033] The difference is that the specific structure of the negative pressure forming device 2 is not limited, the specific connection structure between the colorimetric tube 1 and the water pipeline 3 and the ventilation pipeline 4 is not limited, and the water pipeline 3 and the ventilation pipeline can be switched. The meth...

Embodiment 3

[0035] A method for eliminating the memory effect of an online water quality analyzer. When the colorimetric tube 1 needs to be cleaned, the ventilation line 4 is closed, and the water line 3 is opened, so that the water line 3 communicates with the colorimetric tube 1 and is formed by negative pressure. The device 2 extracts the water sample in the colorimetric tube 1, a negative pressure is formed in the colorimetric tube 1, water is sucked into the colorimetric tube 1, and the inner wall of the colorimetric tube 1 is flushed. By forming a negative pressure, the colorimetric tube 1 sucks water to wash its inner wall without adding additional washing devices. The structure is simple, the washing effect is good, and it can save water and reduce sewage discharge.

[0036] When using the colorimetric tube 1 to analyze the water quality of the water sample, the water passage 3 is closed, and the ventilation line 4 is connected with the colorimetric tube 1 to analyze the water samp...

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Abstract

The invention discloses a device for eliminating the memory effect of a water quality online analyzer and relates to the technical field of water quality analysis. The device comprises a colorimetric tube and a negative pressure forming device connected with one end of the colorimetric tube. The other end of the colorimetric tube is in sealed connection with a water pipe and a vent pipe. The water pipe and the vent pipe are alternately communicated with the colorimetric tube. When the negative pressure forming device works and the water pipe is communicated with the colorimetric tube, water sprayed out of the water pipe can flush the inner wall of the colorimetric tube. When the colorimetric tube needs to be washed, the vent pipe is closed, the water pipe is opened, water samples in the colorimetric tube are extracted through the negative pressure forming device, negative pressure is formed in the colorimetric tube, water is sucked into the colorimetric tube and sprayed out after passing through the water pipe, and the inner wall of the colorimetric tube is flushed. The device and method for eliminating the memory effect of the water quality online analyzer can reduce water used in the washing process, generation of wastewater and pollution.

Description

technical field [0001] The invention relates to the technical field of water quality analysis, in particular to a device and method for eliminating the memory effect of an online water quality analyzer. Background technique [0002] Since the target indicators measured by the water quality online analyzer usually do not change much, it is not easy to reflect the memory effect of the corresponding residues. In the current water quality monitoring of pollution sources, the memory effect index is added to the online analyzer, and the indication error of the low concentration index is investigated when the water sample changes continuously. In order to ensure the accuracy of the detection data, the memory effect must be eliminated. [0003] The main reason for the memory effect of the water quality online analyzer is that the cleaning of the colorimetric tube is not thorough enough. The colorimetric tube of the current water quality online analyzer passes through the bottom of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B9/032G01N21/78
CPCB08B9/032B08B2209/032G01N21/78
Inventor 李阳
Owner 太仓创造电子有限公司