Calorimetric measuring apparatus

Details Calorimetric measuring apparatus Calorimetric measuring apparatus

1994-04-28

1996-08-20

Gutierrez, Diego F. F.

Thermal measuring and testing

Calorimetry

Heat value of combustion

374 33, 374 34, 422 51, 436147, G01N 2522

Patent

active

055472826

ABSTRACT:
A calorimetric measuring apparatus is provided with a decomposition vessel whose interior is configured as a reaction chamber and which can be tightly sealed, the decomposition vessel being removably arranged inside a jacket, and having at least one temperature sensor for measuring the temperature reached inside the decomposition vessel. Characteristic of the measuring apparatus is that the jacket has a measuring vessel which accommodates the decomposition vessel; at least some areas of the wall zone of this measuring vessel comprise a heat-conductive material; the inner walls of this measuring vessel are spaced from the outer walls of the decomposition vessel, thereby forming an interspace in which a gaseous intermediate medium is provided; and the measuring apparatus has at least a second temperature sensor for measuring the temperature change establishing itself in the heat-conductive wall zone of the measuring vessel. With the aid of the measuring apparatus calorimetric determinations of calorific value are possible with high precision and short measuring periods, whereby a comparatively large number of measurements can be carried out in one day.

REFERENCES:
patent: 700555 (1902-05-01), Parr
patent: 3267728 (1966-08-01), Solomons
patent: 3365944 (1968-01-01), Hoagland et al.
patent: 3718437 (1973-02-01), Paloniemi
patent: 4208907 (1980-06-01), Townsend et al.
patent: 4511263 (1985-04-01), Prosen
patent: 5135311 (1992-08-01), Alpert

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