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COD and ammonia nitrogen multiparameter online monitoring device and system

A monitoring device and multi-parameter technology, applied in measurement devices, color/spectral characteristic measurement, material analysis by optical means, etc., can solve the problem of not being able to fully objectively reflect water quality conditions, increasing monitoring costs, and inability to ensure that water samples are completely consistent And other issues

Inactive Publication Date: 2016-01-20
浙江微兰环境科技有限公司
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Problems solved by technology

[0002] Chemical oxygen demand (COD) and ammonia nitrogen are the main indicators in environmental protection monitoring. Traditional monitoring methods require two independent devices to monitor chemical oxygen demand (COD) and ammonia nitrogen indicators, which not only increases the monitoring cost, but also cannot Ensure that the water samples in the two sets of devices are completely consistent, so that the COD monitoring data and ammonia nitrogen monitoring data cannot completely and objectively reflect the water quality at a certain monitoring moment

Method used

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  • COD and ammonia nitrogen multiparameter online monitoring device and system
  • COD and ammonia nitrogen multiparameter online monitoring device and system

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Embodiment Construction

[0014] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] Such as figure 1 , figure 2 A COD and ammonia nitrogen multi-parameter on-line monitoring device shown, the device includes ultraviolet LED2, infrared LED4 and visible light LED7 arranged on one side of the digestion tank 1X axis direction, the described ultraviolet LED2 is a light source with a characteristic wavelength of 275nm, so The above-mentioned infrared LED4 is a light source with a characteristic wavelength of 880nm, and the above-mentioned visible light LED7 is a light source with a characteristic wavelength of 660nm. The ultraviolet photodetector 3 and the first visible infrared photodetector 6 that are arranged on the other side of the X-axis direction, the first visible infrared photodetector 6 collects the transmitted light source signal sent by the infrared LED4 and the visible light LED7, and the A seco...

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Abstract

The invention relates to a water environment online monitoring device, system and method. A COD and ammonia nitrogen multiparameter online monitoring device comprises an ultraviolet LED, an infrared LED and a visible LED which are arranged on one side of the X-axis direction of a digestion pool, and an ultraviolet photoelectric detector and a first visible infrared photoelectric detector which are arranged on the other side of the X-axis direction of the digestion pool, wherein the first visible infrared photoelectric detector acquires transmission light source signals emitted by the infrared LED and the visible LED. A second visible infrared photoelectric detector is arranged in the Y-axis direction of the digestion pool and acquires infrared scattering light source signals emitted by the infrared LED. The monitoring device, system and method are reliable. COD and ammonia nitrogen are monitored in the same water sample, and compensation of COD and ammonia nitrogen measured values is achieved through turbidity measurement.

Description

technical field [0001] The invention relates to an online water environment monitoring device and a monitoring system thereof. Background technique [0002] Chemical oxygen demand (COD) and ammonia nitrogen are the main indicators in environmental protection monitoring. Traditional monitoring methods require two independent devices to monitor chemical oxygen demand (COD) and ammonia nitrogen indicators, which not only increases the monitoring cost, but also cannot Ensure that the water samples in the two sets of devices are exactly the same, so the COD monitoring data and ammonia nitrogen monitoring data cannot completely and objectively reflect the water quality at a certain monitoring moment. Contents of the invention [0003] In order to solve the deficiencies of existing devices, the first object of the present invention is to provide a multi-parameter online monitoring device for COD and ammonia nitrogen, which is reliable and strong, and can monitor COD and ammonia n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/33G01N21/3577G01N21/31
Inventor 朱坚磊曾令春陈水苗陈科何玉宇
Owner 浙江微兰环境科技有限公司
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