Equipment for refloating particle matters attached onto atmospheric sampling filter membrane
A technology of atmospheric sampling and particulate matter, which is applied in the preparation, sampling, and sampling devices of test samples, and can solve problems such as bulky, difficult to move, and limited detection performance
Pending Publication Date: 2018-05-08
CENT TESTING INT GRP CO LTD
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Problems solved by technology
[0004] Ordinary outdoor air sampling equipment is small in size and easy to carry, but its detection performance is relatively limited, and it is difficult to accurately detect and analyze particulate matter, while large-scale experimental equipment is generally bulky and difficult to move, and is often placed indoors
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[0024] Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements. As mentioned above, such as figure 1 , 2As shown, the device 100 for refloating atmospheric sampling filter membrane particles provided by the embodiment of the present invention includes: a liquid storage tank 1, a cleaning tank 2 and an atomization tank 3, and the cleaning tank 2 is provided with four mutually independent The sub-cleaning tanks 21, 22, 23, 24, the liquid storage tank 1 is equipped with a cleaning liquid, for example, the cleaning liquid can be liquid nitrogen or liquid carbon dioxide, and the liquid storage tank 1 and each The sub-cleaning tanks 21, 22, 23, and 24 are all connected, and the cleaning tank 2 is also provided with an ultrasonic cleaning device 4 that can enter each of the sub-cleaning tanks 21, 22, 23, and 24. Fixed on the ultrasonic cleaning device 4, the atmospheric particle sampling fil...
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The invention discloses equipment for refloating particle matters attached onto an atmospheric sampling filter membrane. The equipment comprises a liquid storage groove, a cleaning groove and an atomization groove, wherein a plurality of sub cleaning grooves which are independent from each other are formed in the cleaning groove; cleaning liquid is contained in the liquid storage groove; the liquid storage groove communicates with each sub cleaning groove; each sub cleaning groove communicates with the atomization groove; the atomization groove is connected with a large-scale experiment instrument; a semiconductor refrigeration sheet and an electromagnet group are arranged outside the atomization groove; the electromagnet group consists of a pair of electromagnets; the electromagnet groupcovers the outside of the atomization groove; an accommodating groove is also formed in the electromagnet group; the semiconductor refrigeration sheet is accommodated in the accommodating groove; during the electrification, the electromagnet group tightly holds the atomization groove; the semiconductor refrigeration sheet heats the atomization groove. The invention discloses the equipment with theadvantages that particles on a filtering membrane can be thoroughly cleaned; the structure is simple; the automation degree is high.
Description
technical field [0001] The invention relates to the technical field of atmospheric particle sampling, in particular to a device capable of thoroughly cleaning the particulate matter on a filter membrane, having a simple structure and a high degree of automation, and refloating the particulate matter attached to the atmospheric sampling filter membrane. Background technique [0002] Atmospheric sampling is the process of collecting samples of pollutants in the atmosphere or samples of polluted air. There are two types of on-site sampling methods: one is to pass a large amount of air through a liquid absorbent or a solid adsorbent to enrich pollutants with a lower concentration in the atmosphere, such as air extraction and membrane filtration. Another type is to collect air containing pollutants with containers (glass bottles, plastic bags, etc.). The former measures the average concentration of pollutants in the atmosphere within the sampling time; the latter measures the in...
Claims
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IPC IPC(8): G01N1/22G01N1/34
CPCG01N1/2273G01N1/34
Inventor 陈益思戴煦黄庆
Owner CENT TESTING INT GRP CO LTD