Ultraviolet fluorescence online detector of oil in water

A technology for oil in water and detectors, which is applied in fluorescence/phosphorescence, material excitation analysis, etc., can solve the problems of time-consuming, laborious, bulky, heavy weight, etc., and achieve the effects of improved sensitivity, simple manufacturing process, and low manufacturing cost

Inactive Publication Date: 2013-02-20
NATIONAL MARINE ENVIRONMENTAL MONITORING CENTRE
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Problems solved by technology

However, the equipment used in the traditional ultraviolet fluorescence method is large in size and heavy in weight,

Method used

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  • Ultraviolet fluorescence online detector of oil in water

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Embodiment Construction

[0010] The specific implementation manner of the present invention will be described below with reference to the accompanying drawings. Such as figure 1 Shown: an ultraviolet fluorescent online detector for oil in water, including a probe 1 and an instrument box 2. The front end of the probe 1 is provided with a quartz window 3, and an ultraviolet light-emitting diode 4 is arranged inside the probe 1. The central wavelength of the ultraviolet light-emitting diode 4 is 255nm or 275nm, a photodiode 5 for receiving light is also arranged in the probe 1, and the light receiving range of this photodiode 5 is 300-500nm, and a filter with a center wavelength of 360nm or 420nm is arranged at the front end of the photodiode 5 Light sheet 6, and the included angle between the light beam that above-mentioned ultraviolet light emitting diode 4 sends and the receiving light beam of photosensitive diode 5 is acute angle; In probe 1, near quartz window 3 places, also be provided with ultraso...

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Abstract

The invention discloses an ultraviolet fluorescence online detector of oil in water. The detector comprises a probe and an instrument box and is characterized in that a quartz window is arranged at the front end of the probe, and an ultraviolet light-emitting diode and a photosensitive diode are arranged in the probe. An optical filter is arranged at the front end of the photosensitive diode, an included angle between a light beam transmitted by the ultraviolet light-emitting diode and a light beam received by the photosensitive diode is an acute angle, and an ultrasonic generator is further arranged in the probe. A central processing unit (CPU) is arranged in the instrument box, a micro current amplifier connected with the photosensitive diode is connected with the CPU through a data collection circuit board, the CPU is further respectively connected with a wireless data transmission module, a storage and a display screen, the CPU further controls the ultraviolet light-emitting diode through an ultraviolet light-emitting diode driving circuit board and controls the ultrasonic generator through an ultrasonic generator driving circuit board, and a power supply module is further arranged in the instrument box. The ultraviolet fluorescence online detector is simple in structure, ingenious in design, small in size and convenient to carry.

Description

technical field [0001] The invention relates to a detection device, in particular to an ultraviolet fluorescent on-line detector for oil in water. Background technique [0002] Due to oil exploration, petrochemical production, transportation, industry and other reasons, the discharged wastewater contains many residual petroleum products, which pollute the environment. Therefore, the pollution of water bodies and the environment by mineral oil has become a serious problem that has attracted widespread attention worldwide. question. With the rapid development of my country's economy, the detection of mineral oil pollution has been highly valued by the environmental protection department, and various instruments and methods for detecting oil in water have also been continuously developed. These include: gravimetric method, infrared spectrophotometry, non-dispersive infrared absorption method, ultraviolet absorption method, fluorescence photometry, light reflection method (UV f...

Claims

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Application Information

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IPC IPC(8): G01N21/64
Inventor 姚子伟刘广生赵冬梅赵仕兰王艳洁刘星
Owner NATIONAL MARINE ENVIRONMENTAL MONITORING CENTRE
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