A method for discontinuous measuring in the melt of a crucible and / or removal of samples from the crucible and device for carrying out the method

摘要

1529745 Sampling melts FRIED KRUPP GmbH 14 May 1976 [16 May 1975] 20059/76 Heading G1B A process for intermittently taking measurements in a melt in a crucible 3 and for withdrawing samples from the melt comprises lowering a measuring cartridge (39) preliminarily stored in a magazine 61 or 62 and picked up for use on a lance 35 at the lower end of shaft 14 vertically into crucible 3 which remains upright in its working position and subsequently withdrawing the cartridge, the lowering and withdrawing being so rapid that the lower end of shaft 14 remains within the crucible for not more than a few seconds. The measuring cartridge which in use seats on a cardboard tube, 43, Fig. 8 (not shown) may have a thermal element for measuring the temperature of the melt and may also sample the melt, the lance on withdrawal being cooled by air jets from nozzles 45, scraped by tools 48 and freed from cardboard tube 43 then, sample in cartridge 39 is detached by a cutting tool (56) and falls into funnel 60. A pulley system is used to raise and lower the lance.