Integrated gas-liquid separator

A gas-liquid separator, an integrated technology, applied in separation methods, dispersed particle separation, instruments, etc., can solve the problems of gaseous hydride loss, lower instrument sensitivity, and difficult fixation, and achieve improved sensitivity, lower detection limit, The effect of facilitating the use of the instrument

Active Publication Date: 2016-11-16
DELIN ENVIRONMENTAL PROTECTION TECH
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Problems solved by technology

[0004] At present, the vast majority of atomic fluorescence photometers use a single-arm one-stage gas-liquid separator, that is, the inlet of the gas-liquid mixture and the liquid outlet are located on a separation bottle. Although this design method is simple in structure, due to the The gas-liquid mixture will form pellets that are not easy to disperse, and a part of the gas will be brought into the bottom of the separation bottle and discharged through the liquid outlet, so it will cause the loss of gaseous hydride and finally significantly reduce the sensitivity of the instrument
In addition, the first-stage gas-liquid separator and the second-stage gas-liquid separator of the common atomic fluorescence photometer adopt the design method of separation elements, and the middle of the two is connected by a flexible conduit with good chemical inertness. This method makes the structure scattered and It is not easy to fix, especially for online instruments that require on-site use.

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] like figure 1 As shown, the integrated gas-liquid separator of the present invention includes a primary gas-liquid separator and a secondary gas-liquid separator 301 . The primary gas-liquid separator is composed of two arms, that is, two separation bottles A102 and B105. The gas-liquid mixture inlet 101 is connected to the separation bottle A102. The U-shaped sinking tube 103 is located between the separation bottle A102 and the separation bottle B105. The lower end of the liquid outlet 104 is connected to the separation bottle B105, and the upper end of the separation bottle A102 is connected to the secondary gas-liquid separator 301 through an inverted U-shaped connecting pipe 201. Due to the existence of the U-shaped sinking tube 103, after the gas-liquid mixture enters the separator of the present invention, there will always be liquid retained in the U-...

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Abstract

The invention discloses an integrated gas-liquid separator. The integrated gas-liquid separator comprises a primary gas-liquid separator and a secondary gas-liquid separator, wherein the primary gas-liquid separator comprises a separating bottle A, a U-shaped sinking tube and a separating bottle B; the lower ends of the separating bottle A and the separating bottle B are communicated through the U-shaped sinking tube; a gas-liquid mixture inlet is formed in the upper part of the separating bottle A; a liquid outlet is formed in the lower part of the separating bottle B; the liquid outlet is positioned under the gas-liquid mixture inlet; the upper end of the separating bottle A is communicated with one end of the secondary gas-liquid separator; the other end of the secondary gas-liquid separator is sealed; a gas-phase outlet is formed in the secondary gas-liquid separator. According to the integrated gas-liquid separator disclosed by the invention, separation of a gas-liquid mixture is enabled to be more stable, short-term noise of a detection signal is reduced, the detection limit of an instrument is reduced, and a fluorescence quenching phenomenon is effectively avoided.

Description

technical field [0001] The invention relates to a gas-liquid separator, in particular to a gas-liquid separator which can be used in an atomic fluorescence spectrometer. Background technique [0002] Atomic fluorescence photometer is an analytical instrument designed based on the principle that atoms can emit fluorescence under the excitation of resonance light radiation. Due to the high sensitivity of atomic fluorescence photometer (it can be directly applied to ppb or sub-ppb level elemental analysis), repeatability With good performance and simple structure, it has become a very effective and practical analysis method in our country, and it is very popular in laboratory element detection. [0003] At present, atomic fluorescence photometers mostly use the hydride generation method to atomize elements. The solution of the element to be measured reacts with a reducing agent under acidic conditions to form a gaseous hydride of the element. The gas-liquid mixture of the gaseo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D45/02G01N21/64
CPCB01D45/02G01N21/6404G01N2021/6432
Inventor 王建伟杨子恒朱金伟
Owner DELIN ENVIRONMENTAL PROTECTION TECH
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