Study type COD online analyzer

An analyzer and a learning-type technology, applied in the field of learning-type COD online analyzers, can solve the problems of environmental secondary pollution, consumption of chemical reagents, and long time consumption, and achieve the goals of reducing measurement errors, expanding the scope of application, and shortening the measurement cycle. Effect

Pending Publication Date: 2018-04-20
WUXI DIANCHUANG TECH
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Problems solved by technology

[0003] Although the monitor produced by the chemical method is accurate, it takes a long time, the operation is complicated

Method used

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  • Study type COD online analyzer
  • Study type COD online analyzer
  • Study type COD online analyzer

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see Figure 1-6 , the present invention provides a technical solution: a learning type COD online analyzer, including an embedded microcomputer system, the embedded microcomputer system is connected to a single-chip computer system, and the single-chip computer system is connected to a spectral scanning stepping motor and a measuring valve in sequence and the cleaning valve, the measuring valve and the cleaning valve are connected with the...

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Abstract

The invention discloses a study type COD online analyzer which comprises an embedded microcomputer system, wherein the embedded microcomputer system is connected to a singlechip microcomputer system,the singlechip microcomputer system is successively connected to a spectrum scanning stepping motor, a measuring valve and a cleaning valve, the measuring valve and the cleaning valve communicate to acirculating measuring tank, the circulating measuring tank is connected to an automatic cleaning device, the cleaning valve communicates to a clean water inlet through a pipeline, the measuring valvecommunicates to a tested water sample inlet through a pipeline, and the singlechip microcomputer system is connected to a photovoltaic conversion circuit. The study type COD online analyzer which ishigh in precision, high in measuring speed and free of pollution adopts a theory of ultraviolet spectrophotometry, and meanwhile, adopts a potassium dichromate oxidization method to measure the COD content in a water body, so that the problem that a lot of chemical reagents are used in the measuring process can be solved, the deteriorating consequence on the environment caused by secondary pollution is alleviated, and the pollution discharge monitoring effectivenss and safety are improved.

Description

technical field [0001] The invention relates to the technical field of water quality monitoring, in particular to a learning type COD online analyzer. Background technique [0002] Chemical oxygen demand (COD) is an important index to evaluate the degree of water pollution, so it is also one of the important items of water quality monitoring. At present, the main methods for measuring water quality COD are potassium dichromate oxidation method (chemical method) and spectrophotometric method (physical method). The basic principle of potassium dichromate oxidation method is to use strong oxidants to oxidize reducing substances in water, and calculate the The amount of oxidant is finally converted into the amount of oxygen consumption. Spectrophotometry, based on the Lambert-Beerd law, calculates the COD value of the water sample by measuring the absorbance of sewage to light of a specific wavelength (254nm), and then comparing it with the stored standard curve. [0003] Alth...

Claims

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Application Information

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IPC IPC(8): G01N21/33G01N33/18G01N21/15G06F19/00
CPCG16C99/00G01N21/15G01N21/33G01N33/1806G01N2021/157G01N2021/0162G01N2201/1296G06F2219/10
Inventor 徐兴刘颖
Owner WUXI DIANCHUANG TECH
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