A dustproof filter
A filter and dust-proof technology, which is applied in the direction of dispersed particle filtration, dispersed particle separation, sampling device, etc., can solve the problems of large measurement error, different filter efficiency, and control precision cannot reach accuracy, so as to improve sealing, improve Collection accuracy and collection efficiency, the effect of improving accuracy and practicability
Active Publication Date: 2017-03-15
北京和润恺安科技发展股份有限公司
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Problems solved by technology
[0003] The use efficiency of various filters is different, so the control accuracy cannot reach a higher level of accuracy, and therefore, there is a relatively large measurement error in the sampling results, which makes the environmental monitoring results inaccurate
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Embodiment Construction
[0019] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0020] Such as Figure 1-3 As shown, the present invention provides a dust-proof filter, comprising a filter body 1, an air inlet 2 is arranged on the front of the filter body 1, an air outlet 3 is arranged on the side perpendicular to the front, and an air outlet 3 is arranged on the back side of the filter body 1. An interface 4 connected to the inlet of the air sampling device and an air outlet column 5 connected to the outlet of the air sampling device are provided, wherein the interface 4 communicates with the air inlet 2 , and the air outlet column 5 communicates with the air outlet 3 . The final direction of the air inlet and the air outlet is vertical, avoiding problems such as air outlet blockage and inconvenience. The front of the filter body 1 is provided with a groove 7 for surface dust removal. The filter tip in the present invention is formed by injec...
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The invention discloses a dustproof filtering nozzle which comprises a filtering nozzle body, wherein a gas inlet is formed in the front surface of the filtering nozzle body; a gas outlet is formed in the side surface perpendicular to the front surface; a connecting opening connected with the inlet of an air sampling device and a gas outlet column connected with the outlet of the air sampling device are arranged on the back surface of the filtering nozzle body; the connecting opening is communicated with the gas inlet; the gas outlet column is communicated with the gas outlet. According to the dustproof filtering nozzle, the gas inlet for collecting gas and the gas outlet for exhausting gas after collection are perpendicularly arranged, so that entered gas does not block a gas outlet end, on-site use requirements of a consumer are met more effectively and detection accuracy and practicability are improved.
Description
technical field [0001] The invention belongs to the field of air sampling devices, and in particular relates to a dustproof filter tip. Background technique [0002] With the rapid development of science and technology and industry and the continuous improvement of people's living standards, people pay more and more attention to air quality issues that are closely related to people's daily life. Solid or liquid particles suspended in the air are harmful to human and other biological health. Air pollution and its environmental monitoring have become major international hotspots. Therefore, there are a variety of air sampler filter connectors on the market. At the same time, there are various dust-proof filter methods for samplers, and the collection efficiency is different. [0003] The use efficiency of various filters is different, so the control accuracy cannot reach a higher level of accuracy. Therefore, there is a relatively large measurement error in the sampling result...
Claims
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IPC IPC(8): B01D46/00G01N1/22G01N1/34
Inventor 赵富荣鱼亮毕圣凯董明郭程飞魏娜
Owner 北京和润恺安科技发展股份有限公司