Method of determining heat losses due to incomplete fuel combust

Details Method of determining heat losses due to incomplete fuel combust Method of determining heat losses due to incomplete fuel combust

1984-06-26

1986-01-21

Turk, Arnold

Chemistry: analytical and immunological testing

Oxygen containing

Molecular oxygen

73112, 374 37, 374 38, 431 12, 431 76, 436143, 436155, 436158, 436160, G01N 3112, G01N 2522, G01N 2500

Patent

active

045657882

ABSTRACT:
A method of determining heat losses due to incomplete fuel combustion consists in that periodic sampling of fuel combustion products is carried out. The sample is separated into two parts, one of which includes a gaseous phase, and the other, solid and gaseous phases. Oxygen concentration in each part is assessed, after which both parts are heated and burnt up to determine oxygen concentration after burning. Oxygen losses in the gaseous phase and in the mixture of the solid and the gaseous phases are determined, and heat losses due to chemical and total underburning of fuel are defined as the ratio between oxygen losses. Then heat losses due to mechanical underburning of fuel are estimated as the difference of heat losses due to total chemical and mechanical underburning, and chemical underburning of fuel. There is also disclosed a device for determining heat losses due to incomplete fuel combustion, comprising two chambers with electric heaters for finish burning of the sample, interconnected by a separation valve. One of the chambers contains a partition, made from a porous material, to retain the solid phase of the sample in the chamber. The device is provided with means for suction and discharge of the sample, and means for measuring the thermal effect of the sample combustion reaction.

REFERENCES:
patent: 3324715 (1967-06-01), Held
patent: 4423487 (1983-12-01), Buckenham et al.
patent: 4433922 (1984-02-01), Bohl et al.
Popov et al., "Power Stations" Journal, No. 1, (1973), Apparatus for Determining Heat Losses Due to Mechanical Underburning.

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