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Multi-sample adaptive dual-entrance quartz pyrolysis tube

A cracking tube and adaptable technology, which is applied in the field of multi-sample adaptive dual-entry quartz cracking tubes, can solve the problems of long time and consumption, and achieve the effects of convenient operation, cost reduction, and avoiding damage to the cracking tube.

Active Publication Date: 2010-08-11
李俐 +1
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a multi-sample adaptable dual-entry quartz pyrolysis tube, which solves the problems in the prior art that the pyrolysis tube needs to be replaced when the quartz pyrolysis tube is cracking samples in different states, which takes a long time and some opportunity costs.

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  • Multi-sample adaptive dual-entrance quartz pyrolysis tube
  • Multi-sample adaptive dual-entrance quartz pyrolysis tube

Examples

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Embodiment

[0020] Example: such as figure 1 , the multi-sample adaptive double-entry quartz pyrolysis tube includes a pyrolysis tube body 1, an inert gas interface 2 and an oxygen interface 3 are provided on the cracking tube body, a reaction chamber 4 is arranged inside the cracking tube body, and the cracking tube body A solid sample inlet 5 for entering solid samples and a liquid sample inlet 6 for liquid samples are arranged outside the body. The solid sample inlet 5 and the liquid sample inlet 6 are arranged in parallel, and the outer sides of the solid sample inlet 5 and the liquid sample inlet 6 are fixed and sealed with the nozzle of the cracking tube body.

[0021] The inert gas port 2 is an argon port for argon to enter the reaction chamber, and oxygen enters through the oxygen port and then mixes with argon to enter the reaction chamber. The rear ends of the solid sample inlet 5 and the liquid sample inlet 6 are provided with a vaporization chamber, and the solid sample enter...

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Abstract

The invention discloses a multi-sample adaptive dual-entrance quartz pyrolysis tube which comprises a pyrolysis tube body (1), wherein an inert gas connector (2) and an oxygen connector (3) are arranged on the pyrolysis tube body, and a reaction chamber (4) is arranged inside the pyrolysis tube body. The multi-sample adaptive dual-entrance quartz pyrolysis tube is characterized in that a solid injection port (5) and a liquid injection port (6) are at least arranged at the outer side of the pyrolysis tube body. The device realizes the combination of liquid injection and solid injection as one, not only satisfies the liquid sample injection and the solid sample injection in the prior art, realizes the fast switching of different types of sample injections, but also can carry out simultaneous injection of solid and liquid samples.

Description

technical field [0001] The invention belongs to the technical field of elemental analysis, and in particular relates to a multi-sample adaptive dual-entrance quartz cracking tube which does not need to be replaced for detecting solid-liquid samples. Background technique [0002] Quartz cracking tube is a sample cracking device used in analyzers for the determination of sulfur, chlorine, nitrogen and other elements in petroleum and volatile solid samples by microcoulometric method, ultraviolet fluorescence method and chemiluminescence method. Microcoulomb method, ultraviolet fluorescence method, and chemiluminescence method are also the main methods for analyzing these elements. The sample must be oxidatively cracked during the test, and the structure and performance of the quartz cracking tube directly affect whether the sample is completely cracked and the sensitivity of the instrument detection. [0003] The existing quartz pyrolysis tubes for elemental analyzers include t...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N1/44
Inventor 吴庆华
Owner 李俐
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