Gas-liquid separator and air sampling apparatus
A gas-liquid separator and air pump technology, applied in separation methods, dispersed particle separation, sampling devices, etc., can solve the problems of increasing the risk of air pump damage, sucking back acid-base absorbing liquid, polluting the gas path, etc., and avoiding manual manual drainage. Effect
Pending Publication Date: 2019-04-30
SHENZHEN AMAE INSTR
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Problems solved by technology
[0003] 2. When using a sampling instrument for sampling, there is a certain probability that the instrument operator will connect the inlet and outlet of the absorption bottle reversely on site, which will easily cause the acid-base absorption liquid to be sucked back into the instrument, pollute the gas path, and suck back The liquid will corrode the components in the gas path if it travels with the air flow, increasing the risk of instrument damage
Such instruments usually need to be sampled outdoors for a long time, and the instrument operator often cannot replace the desiccant in time, thus greatly increasing the risk of damage to the air pump
[0005] 4. When the suction of the absorption liquid occurs, the current market generally adopts manual draining to complete the draining function of the sampling instrument. If the sampler fails to drain the liquid in time, the liquid accumulated in the instrument will pass through the pipeline and Air pump, greatly increases the probability of damaging the air pump
Method used
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[0027] 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 As shown, the present invention provides a gas-liquid separator 100, which is used to separate the water vapor in the sample gas flow before being connected to the gas pump 2, so as to prevent liquid from entering the gas pump 2, and the sample gas flow is a fluid mixture entraining water vapor and gas , including: a condenser 3 and a refrigerating device, the refrigerating device is used to refrigerate the condenser 3, and the condenser 3 is provided with an air inlet 31 and an air outlet 32, and the entrained air from the absorption bottle 1 The fluid mixture of water vapor and gas enters the condenser 3 from the air inlet 31 under the action of the air pump 2, and the water vapor is cooled and liquefied in the condenser 3 to form a gas-liquid with the gas Separated, the gas comes out...
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The invention discloses a gas-liquid separator. The gas-liquid separator is connected to a position in front of an air pump, and is used for separating water vapor in sampled airflow to prevent a liquid from entering the air pump, the sampled airflow is a fluid mixture containing the water vapor and gases, the gas-liquid separator includes a condenser and a refrigerating device, the refrigeratingdevice is used for refrigerating the condenser, the condenser is provided with an air inlet and a gas outlet, the fluid mixture containing the water vapor and gases enters the condenser from the air inlet under the action of the air pump, the water vapor is cooled and liquefied in the condenser and is separated from the gases, and the gases are discharged from the gas outlet and return to the airthrough the air pump. The gas-liquid separator can prevent suck-back, condense and remove water and automatically discharge the water. The invention also discloses an air sampling apparatus with the gas-liquid separator.
Description
technical field [0001] The invention relates to the technical field of atmospheric sampling, in particular to a gas-liquid separator with anti-suck back, condensation dehydration and automatic drainage and atmospheric sampling equipment with the gas-liquid separator. Background technique [0002] 1. Air monitoring refers to fixed-point, continuous or regular sampling and measurement of pollutants in the air. Air monitoring items mainly include sulfur dioxide, nitrogen oxides, hydrocarbons, floating dust, etc. Sampling instruments on the market are commonly used Ambient air sampling by solution absorption method. When sampling, the air to be measured is sucked into the absorption bottle containing the absorption liquid at a certain flow rate by an air extraction device. After the sampling is completed, pour out the absorption liquid for measurement, and calculate the concentration of pollutants in the air according to the measured results and the sampling volume. . [0003]...
Claims
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Login to View More IPC IPC(8): B01D53/00B01D53/26G01N1/24
CPCB01D53/002B01D53/265G01N1/24
Inventor 陈军何军王旭朱平杨康奋
Owner SHENZHEN AMAE INSTR