File:Daniell's Rosin Gas Apparatus 1829.png
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Deutsch: Skizze eines Apparats zur Gewinnung von Harzgas aus Kolophonium, der im Jahr 1828 von John Frederic Daniell patentiert wurde. Ein Prototyp des Apparats wurde im gleichen Jahr an der London Institution durch John Martineau und Philip Taylor errichtet.
English: Schematic of an apparatus for the generation of rosin gas from colophonium (rosin) as patented in 1928 by John Frederic Daniell. A prototype of this apparatus was built at the London Institution by John Martineau and Philip Taylor in the same year.
Original description: Plate XI, exhibits the retort and its appendages, as erected at the London Institution. The front elevation, Fig. 1, represents an external view of the apparatus; a, the iron tank, in which the rosin is melted, with a given quantity of oil of turpentine, and furnished with two stop cocks b, b, for conveying the hot fluid to the funnels c, c. These communicate by means of the syphons d, d, with the heated retorts in which the gas is generated. We may now turn to the sectional view, Fig. 2, and the process will be better understood. The retort e, e, is seen charged with coke, which is in the first instance raised to a bright red heat, by means of the furnace beneath. The common brown rosin of commerce, which is deposited in the tank a, is mixed with essential oil, in the proportions of one hundred pounds of the former, to ten gallons of the latter. A portion of the flame and heated air beneath, serves to preserve this in a fluid state, and a damper passing across the aperture in the chimney, exactly regulates the temperature of the fluid. A wire gauze screen at f, reaches to the bottom of the tank, and prevents the solid rosin, or any impurity with which it may be mixed, from choking the stop-cock. The melted rosin having passed by the funnel c, and the syphon d, into the retort, falls on the coke, and in its passage through the ignited mass, becomes decomposed. On arriving at the other end of the retort, a large portion of the oil of turpentine in the form of condensible vapour, is separated by the refrigerator g; this is supplied with water from a cistern above, and the non-condensible vapour or gas passes up the tube h, and dips beneath the surface of the fluid in the vessel i. This completes the condensation, and the gas proceeds in a perfectly pure state by the pipe k, to the gasometer, or rather to the floating reservoir for use. The essential oil, when it leaves the refrigerator, is conveyed by the syphon b [sic!], to a cistern beneath. The necessity for employing a syphon, will be apparent, when it is borne in mind that the tube prevents the escape of the gas, which would otherwise pass away from the box, with the essential oil. Another syphon and pipe m, serve to convey the condensed essential oil from the top cistern. |
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| Source | Newton & Gladwin (1828). "Daniel's [sic!] Rosin Gas Apparatus". Newton's London Journal of Arts and Sciences 2: 379. | ||||||
| Author | W. Newton & G. Gladwin | ||||||
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| current | 22:39, 6 January 2019 | | 2,314 × 1,460 (969 KB) | Shinryuu (talk | contribs) | {{Information |description= {{de|Skizze eines Apparats zur Gewinnung von {{wd|Harzgas}} aus {{wd|Kolophonium}}, der im Jahr 1828 von {{wd|John Frederic Daniell}} patentiert wurde. Ein Prototyp des Apparats wurde im gleichen Jahr an der ''London Institution'' durch John Martineau und {{wd|Philip Taylor}} errichtet.}} {{en|Schematic of an apparatus for the generation of {{w|rosin gas}} from {{w|colophonium}} (rosin) as patented in 1928 by {{w|John Frederic Daniell}}. A prototype of this apparat... |
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