Multi-sample adaptive dual-entrance quartz pyrolysis tube

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

Active Publication Date: 2011-09-14
李俐 +1
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  • Abstract
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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.

Method used

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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: as figure 1 , the multi-sample adaptive dual-entry quartz cracking tube includes a cracking 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 is provided with a reaction chamber 4. A solid sample inlet 5 for entering a solid sample and a liquid sample inlet 6 for entering a liquid sample are arranged on the outside of the body. The solid injection port 5 and the liquid injection port 6 are arranged in parallel and juxtaposed, and the outer sides of the solid injection port 5 and the liquid injection port 6 are fixedly sealed with the opening of the cracking tube body.

[0021] The inert gas interface 2 is the argon gas interface for supplying argon gas into the reaction chamber, and the oxygen gas enters the reaction chamber through the oxygen interface and is mixed with argon gas. The rear ends of the solid injection...

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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 adaptable double-entry quartz cracking tube that does not need to be replaced for detecting solid-liquid samples. Background technique [0002] Quartz cracking tube is a sample cracking device in the analyzer used for the determination of sulfur, chlorine, nitrogen and other elements in petroleum and volatile solid samples by microcoulomb method, ultraviolet fluorescence method and chemiluminescence method. Microcoulometry, 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 structural performance of the quartz cracking tube directly affects whether the sample cracking is complete and the sensitivity of the instrument detection. [0003] There are two kinds of quartz cracking tubes for existing elemental analyzers: ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/44G01N1/28
Inventor 吴庆华
Owner 李俐
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