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Air sampler

An air sampler and container technology, applied in the direction of sampling devices, etc., can solve the problems of poor air pollutant collection effect, such as remote control, and achieve the effect of convenient storage.

Inactive Publication Date: 2012-01-18
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide an air sampler, which effectively solves the current remote control that is not effective in collecting air pollutants, and is conducive to providing a good detection source for later detection of air pollutants and ensuring detection accuracy.

Method used

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Embodiment Construction

[0011] refer to figure 1 , an air sampler, comprising a container 1 for storing the collection liquid 2, the upper port of the container 1 is connected with a vacuum device 3, the lower part of the inner cavity of the container 1 is provided with an annular pipe 4, and the annular pipe 4 is connected to the air inlet 6 placed outside the container 1 through the air inlet pipe 5, and the annular pipe 4 is provided with a number of ventilation holes 7.

[0012] The above-mentioned vacuum equipment 3 is a hand-held air pump or a mechanical vacuum pump.

[0013] The above-mentioned mechanical vacuum pump is also connected with an air flow meter.

[0014] The above collection solution 2 is a solution with a pH of 3.0-11.0 using water as a medium or a solution prepared with water.

[0015] Specific implementation process: the present invention consists of negative pressure suction device (hand-held or vacuum pump), air meter, adsorption device and so on. Using the suction device,...

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Abstract

The invention relates to an air sampler comprising a container for storing collected liquid, and is characterized in that an upper end port of the container is connected with a vacuum-pumping device; an annular pipe is disposed at the lower part of the inner cavity of the container; the annular pipe is connected with an air inlet disposed outside the container through an air-introducing pipe; several air holes are disposed on the annular pipe. The invention performs sampling and enrichment by a liquid system; the collected samples are convenient for preservation and carrying; the invention can effectively increase the concentrations of bacteria, formaldehyde or suspended particles in the sample, and is applicable to most detection methods and apparatus; meanwhile the invention can analyze the collected samples respectively, and is applicable to the detection of the quantity of various live microbe and the types of pollutants in unit volume of air.

Description

technical field [0001] The invention relates to an air sampler, which is applied to efficiently capture bacteria, formaldehyde and suspended particles in the air, and belongs to the field of atmospheric environment detection. Background technique [0002] At present, my country's air pollution situation is relatively serious, and outdoor pollution mainly presents as soot-type and motor vehicle exhaust-type pollution. The concentration of total suspended particulate matter in the urban atmospheric environment generally exceeds the standard, the total amount of motor vehicle exhaust pollutants is rapidly increasing, and nitrogen oxide pollution is showing an aggravating trend. [0003] In 1995, the total amount of smoke and dust emitted by coal burning in the country was 14.78 million tons, of which the emissions from thermal power plants and industrial boilers accounted for more than 70%. The national industrial dust emission is about 6.39 million tons. Since the 1980s, dri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/24
Inventor 孟春王航郭养浩
Owner FUZHOU UNIV
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