Micro Quartz Furnace Atomizer

A technology of atomizer and quartz, which is applied in the atomization field of atomic fluorescence, to achieve the effects of low argon gas consumption, improved reliability and reduced power consumption

Active Publication Date: 2016-01-13
BEIJING BEIFEN RUILI ANALYTICAL INSTR GROUP
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Problems solved by technology

[0012] The purpose of the present invention is to design a miniature quartz furnace atomizer to solve the problem that the existing atomizer is not suitable for portable atomic fluorescence field detection due to its large power consumption and argon gas flow rate. The internal design of the quartz furnace tube realizes the miniaturization of the quartz furnace tube, and at the same time greatly shortens the gap between the outer furnace tube and the inner layer furnace tube, eliminating the radial temperature gradient when the gaseous substance is heated in the quartz furnace tube effect, improving the reliability of the atomization process

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[0029] Relevant present invention is for reaching above-mentioned purpose of use and effect and the technical means adopted, presents preferred feasible embodiment, and cooperates as shown in the accompanying drawings, detailed description is as follows:

[0030] The present invention provides a miniature quartz furnace atomizer, comprising a heating device 2, an outer layer furnace tube 3, an inner layer furnace tube 4 and a hot surface igniter 6 arranged sequentially from outside to inside, wherein the outer layer furnace tube 3 and the inner furnace tube 4 form a gas channel, one end of the gas channel is provided with an air inlet 1, and the other end is tapered to form a gas outlet 5, and the heating device 2 is arranged on the outer layer furnace tube 3 The outer peripheral surface of the gas is used to heat the gas, and the hot surface igniter 6 is arranged in the inner furnace tube 4, and the ignition pin of the hot surface igniter 6 extends to the gas outlet 5 , for i...

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Abstract

The invention provides a mini-sized quartz furnace atomizing device. The device comprises a heating device, an external layer furnace tube, an internal layer furnace tube, and a hot-surface igniter; a gas channel is formed between the external layer furnace tube and the internal layer furnace tube, one end of the gas channel is provided with a gas inlet, the other end of the gas channel is provided with a gas outlet; the heating device is arranged on the periphery of the external layer furnace tube; the hot-surface igniter is arranged in the interlay layer furnace tube, and the igniting needle of the hot-surface igniter stretches to the gas outlet. The hot-surface igniter is arranged in the quartz furnace tube, thus the miniature of quart furnace tube is achieved; at the same time, the gap between the external layer furnace tube and the internal layer furnace tube is greatly shortened, the radical temperature gradient effect of gas substances is effectively improved when the gas substances are heated in the quartz furnace tube, and the reliability of the atomization process is improved.

Description

technical field [0001] The invention relates to the atomization field of atomic fluorescence, in particular to a portable miniature atomizer of atomic fluorescence. Background technique [0002] The atomizer is one of the core devices of the atomic fluorescence spectrometer, and plays a key role in atomization in the working process of the atomic fluorescence spectrometer. [0003] my country's patent No. ZL87104958A reports an argon-shielded quartz furnace atomizer. The furnace tube is composed of two layers of concentric quartz tubes. The outer tube is evenly wound with heating wires. Hydride gas with carrier gas. [0004] In 1998, Zhang Jinmao and others reported the "low temperature atomization" technology (Zhang Jinmao, Zhang Qin, Ning Jiantong. Argon-hydrogen flame low-temperature automatic ignition device used in the study of hydride-atomic fluorescence spectroscopic analysis[J]. Rock and mine testing, 1998 , 17(1):22~28). Compared with the early high-temperature qu...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/71H01J27/02
Inventor 梁敬王庆陈璐董芳侯爱霞杨名名张锦茂
Owner BEIJING BEIFEN RUILI ANALYTICAL INSTR GROUP
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