Throwing-into type ultraviolet absorption on-line analyzer

Abstract

A throwing-into type ultraviolet absorption on-line analyzer belongs to the technical field of water quality detection apparatus equipment, is used for in-situ detection of water quality in water; the technical scheme comprises: the analyzer comprises an housing body, a measuring pool, a power supply, a measuring unit, a reference unit, a control unit; the measuring pool is mounted inside the housing body; the power supply is mounted at one side of the measuring pool in the housing body; the measuring unit, the reference unit, the control unit are mounted at the other side of the measuring pool in the housing body; light through holes passing through the measuring pool are disposed along an axial direction of the measuring pool; a water inlet is disposed at the central part of the measuring pool; lenses are respectively mounted in light through hole cavities which are located at two sides of the water inlet of the measuring pool and face each other; the axis of the lenses, the optical axis of the power supply, and the optical axis of the measuring unit are on the same straight line; the measuring unit is arranged to have a 10 DEG-30 DEG angle with the reference unit; signal output ends of the measuring unit and the reference unit are connected to the control unit. According to the invention, the analyzer can be directly thrown into the water to be detected for monitoring, and the measurement is convenient and rapid, does not require sampling, and saves cost.

Description

technical field [0001] The invention relates to an input-type online analysis instrument for detecting organic matter in ultraviolet absorption water, which belongs to the technical field of water quality detection instruments and equipment. Background technique [0002] Organic matter is one of the indicators that need to be controlled in water quality standards. Therefore, the online monitoring of the concentration of organic pollutants such as chemical oxygen demand (COD), total organic carbon (TOC), biochemical oxygen demand (BOD), ultraviolet absorption (UVA) and dissolved organic carbon (DOC) is an important It is a very important research subject which has been paid great attention and developed in recent years. [0003] Ultraviolet absorbance (UVA) has been available as a comprehensive indicator of organic pollution for many years. It mainly calculates water quality parameters such as COD and TOC indirectly by measuring the UV absorbance data of water samples. As a...

AI Technical Summary

Problems solved by technology

[0004] At present, the ultraviolet (UV) analyzers on the market are generally designed in cabinets, which have high requirements on environmental conditions. During water quality testing, to collect water bodies, a water sample collection device needs to be installed, which increases the cost of water quality measurement, and cannot It can be flexibly applied to the field, so it is also subject to certain restrictions in use

In addition, the single-wavelength detection of the instrument generally uses a low-pressure mercury lamp as the light source, and the multi-wavelength detection generally uses ordinary xenon lamps, deuterium lamps, and tungsten lamps, etc., which consumes a lot of power and has a short service life.

Images