Automatic sample changing device for solid sample gas extraction
A technology of sample gas and automatic sample change, which is applied in sampling devices, preparation of samples for testing, etc., can solve problems such as the inability to realize automatic sample replacement, and achieve the effect of avoiding gas outflow, avoiding manual operation, and improving sealing effect.
Pending Publication Date: 2020-12-29
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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Problems solved by technology
However, the solid sample gas extraction device used in the ultra-high vacuum laboratory cannot realize automatic sample replacement
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0022] The object of the present invention is to provide an automatic sampling changer for solid sample gas extraction, which is used to solve the technical problems in the above-mentioned prior art, and can automatically change solid samples and extract gas from solids.
[0023] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction...
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The invention discloses an automatic sample changing device for solid sample gas extraction, and relates to the technical field of solid sample gas extraction. The automatic sample changing device comprises a container body, a sample disc, a rotating motor, a gas outlet pipe, a lifting device, a cover plate, a heating furnace assembly and a controller, wherein the sample disc is located in the container body; an output shaft of the rotating motor is fixedly connected with the lower end of the sample disc; the upper end of the sample disc is used for placing a plurality of solid samples; the container body is provided with a switch opening and a gas outlet; the lifting device drives the cover plate to move up and down; the cover plate is detachably fixed at the switch opening; the heating furnace assembly is relatively fixed with the lower end of the cover plate; the heating furnace assembly heats the solid samples; and the rotating motor, the heating furnace assembly and the lifting device are electrically connected with the controller. The automatic sample changing device can heat the solid samples so as to extract gas generated by the solid samples, and can automatically change the next solid sample for experiment.
Description
technical field [0001] The invention relates to the technical field of solid sample gas extraction, in particular to an automatic sample change device for solid sample gas extraction. Background technique [0002] For the experimental method of extracting gas from solid samples, the glass "Christmas tree" with heating furnace components is usually used in ultra-high vacuum laboratories. In this method, the solid sample is wrapped in a magnetic material and placed in a sealed glass tree branch. When the sample is replaced, the sample is sucked into the high-temperature furnace under the "Christmas tree" by a magnet, and then the sample is heated to extract the gas in the solid sample. . However, the solid sample gas extraction device used in ultra-high vacuum laboratories cannot realize automatic sample replacement. [0003] Therefore, there is an urgent need for a novel solid sample gas extraction device on the market to solve the above problems. Contents of the inventio...
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IPC IPC(8): G01N1/22G01N1/44
CPCG01N1/22G01N1/44
Inventor 刘子恒苏菲李健楠贺怀宇
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI