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Gas dust-removing and sampling device

A sampling device and gas dedusting technology, which is applied in the direction of sampling device, preparation of test samples, separation of dispersed particles, etc., can solve problems such as inconvenient installation, and achieve the effects of convenient maintenance, avoiding blockage, and avoiding pollution

Active Publication Date: 2014-06-25
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the combination of an independent gas pump, an independent gas filter and an independent gas dryer can complete the transmission, dust removal and dehumidification of the gas to be analyzed, it is inconvenient to install

Method used

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  • Gas dust-removing and sampling device
  • Gas dust-removing and sampling device
  • Gas dust-removing and sampling device

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0021] Such as figure 1 As shown, the present invention includes a first housing 8 and a second housing 9 arranged inside the first housing 8, a motor 1 is arranged inside the first housing 8, and a first air-exhausting propeller is arranged on the output shaft of the motor 1 2. One end of the first housing 8 is an air inlet, the other end of the first housing 8 is a dust discharge end, and a protective cover is provided at the dust discharge end; one end of the second housing 9 is provided with an air inlet, and The air inlet of the second housing 9 is provided with a filter screen 3, and the second housing 9 is also provided with an air outlet, and the air outlet passes through the first housing 8, and the second housing 9 is provided with a motor 1 drives the second draft propeller 7, the second draft propeller 7 and the filter screen 3 are all arranged on the ou...

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Abstract

The invention provides a gas dust-removing and sampling device. The gas dust-removing and sampling device comprises a first shell and a second shell arranged in the first shell, wherein an air inlet is formed in one end of the first shell and the other end of the first shell is a dust exhausting end; an air inlet is formed in one end of the second shell and a filtering sieve is arranged at the air inlet of the second shell; an air outlet is further formed in the second shell; the air outlet penetrates through the first shell. According to the gas dust-removing and sampling device, a second exhausting screw propeller is rotated under the driving of a motor to reduce the pressure in the first shell into negative pressure, so that external gas to be analyzed is pumped into the second shell through the filtering sieve; the gas to be analyzed enters the dust exhausting end from dust falling from the filtering sieve and does not enter the second shell from a gap between the filtering sieve and the second shell, so as to prevent dust pollution of filtered gas and also prevent the dust from being blocked between the filtering sieve and a gas channel in the second shell; the on-line analysis of the gas is easy to realize.

Description

technical field [0001] The invention belongs to the field of spectral on-line analysis of gas composition and concentration, and in particular relates to a gas dust removal and sampling device. Background technique [0002] Infrared spectroscopy can realize the quantitative analysis of almost all polar gases, and neither consumes any materials nor produces any waste during the working process, but also can work for a long time and has low maintenance costs, so it is an important method for online gas analysis. method. With the development of computer technology and data analysis and processing technology, in recent years, spectrometers have begun to be used in the field of online analysis of gas composition and concentration, such as exploration well gas logging, atmospheric environment monitoring, online monitoring of mine gas composition and concentration, On-line detection of characteristic gases in power equipment and other fields. Since infrared spectroscopy is based ...

Claims

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Application Information

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IPC IPC(8): B01D46/10B01D46/00G01N1/34G01N1/24
Inventor 汤晓君寇福林梁运涛罗海珠孙勇刘君华
Owner XI AN JIAOTONG UNIV
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