Spiral gas inlet structure in heating furnace body
A technology of air intake structure and spiral type, which is applied in the field of spiral air intake structure, can solve the problems of increased thermogravimetric noise, difficult airflow balance adjustment, and reduced measurement accuracy of thermobalance analyzers, achieving reduction of thermogravimetric noise, The effect of increasing reaction efficiency and reducing disturbance
Inactive Publication Date: 2020-09-29
北京恒久实验设备有限公司
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Problems solved by technology
[0002] In the field of chemical scientific research and engineering, thermobalance analyzer is an important thermal analysis instrument. At present, domestic thermobalances used for the research and analysis of coal, petroleum and other materials have the following deficiencies: the airflow balance adjustment of various media participating in the reaction inside the balance Difficult, uneven mixing phenomenon; the rapid convection phenomenon of the mixed gas generated during the heating process seriously causes the thermogravimetric noise of the thermobalance analyzer to increase and the measurement accuracy to decrease.
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[0015] The structure of the present invention is as figure 1 As shown, wherein 1 is a schematic structural diagram of a circular ceramic furnace wall, and 2 is a structural schematic diagram of a spiral air inlet pipe. The structural section of the present invention is as figure 2 As shown, wherein 3 is a structural section view of a circular ceramic furnace wall, and 4 is a structural section view of a spiral air inlet pipe.
[0016] A spiral air intake structure in the furnace body of an analytical instrument, including a circular ceramic furnace wall unit and a spiral air intake unit, the circular ceramic furnace wall unit is mainly composed of high-density ceramic tubes 1 to complete the internal heat preservation of the furnace body and gas barrier; the spiral air intake unit is mainly composed of spiral high-density thin ceramic tubes 2 to complete the delivery and mixing of gases. This air intake structure can fully guarantee the stable, uniform and constant temperat...
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The invention discloses a spiral gas inlet structure in a heating furnace body. The spiral gas inlet structure comprises a circular ceramic furnace wall unit and a spiral gas inlet unit. The circularceramic furnace wall unit is mainly composed of high-density ceramic tubes to complete internal heat preservation and gas blocking of the furnace body. The spiral gas inlet unit is mainly composed ofspiral high-density fine ceramic tubes to complete conveying and mixing of gases. The gas inlet structure can fully guarantee stable, uniform and constant-temperature conveying of various gases participating in reaction in the furnace body and absolute blocking and sealing effects of external gases. The disturbance of a flowing gas to a sample hanging basket can be effectively reduced by a gas path of a gas inlet part of the whole device so that a noise caused by a reaction gas flow in a thermogravimetric furnace body is reduced.
Description
technical field [0001] The invention relates to a spiral air intake structure in a furnace body of a heating furnace. Background technique [0002] In the field of chemical scientific research and engineering, thermobalance analyzer is an important thermal analysis instrument. At present, domestic thermobalances used for the research and analysis of coal, petroleum and other materials have the following deficiencies: the airflow balance adjustment of various media participating in the reaction inside the balance Difficult, uneven mixing phenomenon; the rapid convection phenomenon of the mixed gas generated during the heating process seriously causes the thermogravimetric noise of the thermobalance analyzer to increase and the measurement accuracy to decrease. Contents of the invention [0003] The object of the present invention is to provide a spiral air intake structure in the furnace body of a heating furnace, which includes a circular ceramic furnace wall unit and a sp...
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IPC IPC(8): G01N5/00
CPCG01N5/00
Inventor 孙立鑫
Owner 北京恒久实验设备有限公司