Improved heating furnace for fully automatic specific surface area and porosity analyzer
A technology of specific surface area and porosity, which is applied in the field of equipment manufacturing, can solve the problems of heating effect and other problems, and achieve the effect of good heating effect, good use effect and simple structure
Active Publication Date: 2020-05-12
GUIZHOU UNIV
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Problems solved by technology
This brings a lot of inconvenience in actual operation, and also has an impact on the effect of heating
Method used
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Embodiment Construction
[0009] Embodiment of the present invention: an improved fully automatic specific surface area and porosity analyzer heating furnace, comprising a furnace body 1; the inner wall of the furnace body 1 is embedded with a heating resistance wire 2 and a thermistor 3; wherein the heating resistance wire 2 is spiral Embedded in the inner wall of the furnace body 1, the wires of the heating resistance wire 2 and the thermistor 3 are drawn out through the data transmission hole 4 provided at the bottom of the furnace body 1; the top of the furnace body 1 has a small hole 7; the furnace body 1 and the base 6. Flexible connection; the small hole 7 on the top of the furnace body 1 is a round hole, and the inner diameter of the small hole 7 is enough for the thin tube at the top of the sample tube to pass through, but the sample holding ball at the bottom of the sample tube cannot pass through; in this embodiment, the furnace body 1 Adopted threaded connection with base 6.
[0010] During...
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The invention discloses an improved full-automatic specific surface area and porosity analyzer heating furnace. The heating furnace comprises a furnace body, a heating resistance wire and a thermo-sensitive resistor are embedded in the inner wall of the furnace body, the heating resistance wire is spirally embedded in the inner wall of the furnace body, and a wire of the heating resistance wire and a wire of the thermo-sensitive resistor are led out of a data transmission hole. A small hole is formed in the top of the furnace body, and the furnace body is movably connected with a base. The detachable heating furnace is adopted, and the furnace body and the base are detachable so that the base of the heating furnace can be detached firstly, a sample pipe is inserted from the bottom of the bottom-free heating furnace, the small hole is reserved in the top of the heating furnace, the small hole is large enough so that a thin pipe on the top of the sample pipe can penetrate, but a sample containing ball at the bottom of the sample pipe cannot penetrate the small hole, and accordingly the trouble caused when the blocking effect of barrier cloth of an original heating furnace is not good can be effectively eliminated.
Description
technical field [0001] The invention relates to an improvement of a heating furnace for a surface area and porosity analysis instrument, belonging to the field of equipment manufacturing. Background technique [0002] At present, in the analysis of the surface area and porosity of coal samples and the determination of the adsorption and desorption of coal samples, automatic specific surface area and porosity analyzers are required. Before the coal sample is analyzed, the coal sample should be heated and vacuumized. At this time, the coal sample should be packed in a sample tube and placed in a heating furnace for heating. However, the fully automatic specific surface area and porosity analyzers that are widely used now cause operational burdens when taking into account the functions of heating and vacuuming at the same time. Due to defects in its design, the sample tube must be installed vertically on the analyzer first. Then put the heating furnace on the sample tube from ...
Claims
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IPC IPC(8): G01N15/08
CPCG01N15/088
Inventor 袁梅李闯王玉丽许石青杨萌萌徐林
Owner GUIZHOU UNIV