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Gas temperature control system of atmospheric aerosol volatilization characteristic measurer and application of system

An atmospheric aerosol and gas temperature technology, which is applied in the direction of temperature control using electric means, auxiliary controller with auxiliary heating device, measuring device, etc. and other problems, to achieve the effect of high degree of automation, simplified structure, and reduced volume

Inactive Publication Date: 2014-07-09
中国气象局广州热带海洋气象研究所 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the adsorption device will adsorb a part of the non-volatile particles, which will reduce the passing rate.
Moreover, the design components of these instruments are relatively complex and costly, and it is difficult to meet the long-term stable observation requirements

Method used

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  • Gas temperature control system of atmospheric aerosol volatilization characteristic measurer and application of system
  • Gas temperature control system of atmospheric aerosol volatilization characteristic measurer and application of system
  • Gas temperature control system of atmospheric aerosol volatilization characteristic measurer and application of system

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Experimental program
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Effect test

Embodiment 1

[0028] Such as figure 1 As shown, the gas temperature control system of the atmospheric aerosol volatility characteristic measuring instrument according to the present invention includes a temperature heating tube 14, a temperature exchanger 18, a temperature and humidity sensor IV 19 and a temperature controller 17, wrapped on the outer wall of the temperature heating tube 14 Flexible heating band 15 is arranged, and its center is inserted with the air temperature sensor 16 of measuring air pipeline central air temperature, and the air outlet end of temperature heating pipe 14 is connected with the inlet end of temperature exchanger 18, and the air outlet end of temperature exchanger 18 is connected with temperature. The humidity sensor IV19 is connected; the temperature controller 17 is connected between the temperature heater 14 and the temperature exchanger 18 . The air temperature sensor (16) measures the temperature of the air entering the system, and feeds back to the t...

Embodiment 2

[0038] Such as figure 2 Shown, atmospheric aerosol volatility characteristic measuring instrument of the present invention comprises:

[0039] The drying system includes a membrane permeable dryer 1, a pump I2, a restrictor hole 3, a temperature and humidity sensor I5, and a particle filter 4. The outlet of the particle filter 4 is connected to the inlet of the restrictor hole 3, and the outlet of the restrictor hole 3 is The outlet is connected to the input end of the outer wall of the membrane permeable dryer 1, the outer wall output end of the membrane permeable dryer 1 is connected to the pump I2, and the pipeline connected to the outlet of the membrane permeable dryer 1 is provided with a temperature and humidity sensor I5; the work of the drying system The principle is: the aerosol sample airflow enters the inside of the permeable membrane from the permeable membrane inlet of the membrane permeable dryer. On the outside of the permeable membrane, under the suction of t...

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PUM

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Abstract

The invention discloses a gas temperature control system and an atmospheric aerosol volatilization characteristic measurer comprising the system. The gas temperature control system comprises a heating pipe, a temperature exchanger, a temperature and humidity sensor and a temperature controller, wherein the outer wall of the heating pipe is covered with a flexible heating band; an air temperature sensor for measuring the air temperature at the center of a gas conveying pipeline is inserted into the center of the heating pipe; the gas outlet end of the heating pipe is connected with the gas inlet end of the temperature exchanger; the gas outlet of the temperature exchanger is connected with the temperature and humidity sensor; the temperature controller is connected with a heater and the temperature exchanger. The atmospheric aerosol volatilization characteristic measurer has the functions of measuring volatilization factors, a mixing state and dry particle spectral distribution of aerosol with all particle sizes, and is high in automation degree and high in stability; the volatility and the mixing state of each particle size section can be learned favorably, and the atmospheric aerosol volatilization characteristic measurer has a great significance for the research on an atmospheric pollution forming mechanism and the like.

Description

technical field [0001] The invention relates to atmospheric aerosol volatile characteristic detection equipment, in particular to a gas temperature control system and application of an atmospheric aerosol volatile characteristic measuring instrument. Background technique [0002] Atmospheric aerosols directly affect the Earth's atmospheric radiation balance by scattering and absorbing radiation. The chemical composition and mixing state of aerosol particles in the atmosphere are very complex, and the optical effects and radiation effects of aerosols are closely related to the chemical composition and mixing state of the particles. Based on the characteristic that different chemical substances volatilize at different temperatures, this instrument detects the volatilization degree of the particles and infers the chemical composition and mixing state by measuring the change and distribution of the particle size of the aerosol particles before and after heating. The atmospheric...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/00G01N15/02G05D23/30
Inventor 谭浩波许汉冰李菲万齐林银燕
Owner 中国气象局广州热带海洋气象研究所
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