US1636270A - Rotary retort - Google Patents

Description

July 19, 1927.

' YOUNG noun! RETORT Filed Ju1y 20, 1925 2 Sheets-Sheet, 1

B. YOUNG July 19 1927.

ROTARY RET ORT Filed July 20. 1925 2 Sheets-Sheet 2 tion products are not left too lon Patented duly 19, 1927.

no'r'amr anron'r.

Application filed July 20, 1925, "Serial No. 44,884, and in Germany October 3, 1924. p

I This invention relates to an improved inclined and rotary retort such as is used in the distillation of coal or the like.

In known rotary retorts there exists the disadvantage that the cylindrical surface 15 utilized to a comparatively small extent for the direct transference of heat to .the charge.

In order "to increase the quantity of heat transmitted through the shell of the retort, various devices have been proposed, the majority of the same being based on the principle of increasing the useful surface by means of ribs or ledges- The object of the present invention 15 to provide an'improved form of inclined and rotary retort which overcomes the dlfiiculty previously mentioned. This is achlevedaccording to this invention by providing, around the inner cylindrical surface of the retort, chambers which are formed by walls or partitions running longitudinally of the retort and by an inner shell, said chambers carrying the charge, which enters them longitudinally. of the retort, around with them during its rotation. v

The chambers may be spaced from one another circumferentially, leaving intermediate aps, or may be adjacent to one another, orming a closed ring. In the longitudinal direction the ring or sector shapedchambers are spaced from each other at intervals of such a size that sensitive distill}?- in t e immediate proximity of the hot s 'ell surface of the retort. The dimensions of the chambers are determined by the nature of the charge and by the amount of steam or gas evolved during distillation. For example the chambers might be 2 metres long and the interval between them 1 metre long.

. The distillation gases escape into the interdirect heat transference vals between the chambers and are then drawn, since they follow the path of least resistance, into the interior of the retort and to the outletpipe. This improved retort the heated retort surface is utilized to a. considerably greater extent for p and secondly, the heat radiated from the hot shell surface of the retort has a much greater effect on account of the smaller distance of the charge from said surface, the heat taking effect on the charge being inversely proportional to the square of the distance.

In order that the invention may be more away readily understood, reference is made to'the accompanying drawings lllustrating an embodiment of the invention.

Referring .to the drawings, Fig. 1 shows a Vertical section through the improved retort within its furnace.

Fig.2 shows across sectional view of the same showing the circumferentially spaced chambers, while Fig. 3 shows a cross sectional view of a modified retort with chambers adjacent to one another.

Fig. 4; is a perspective view, partly broken of the structure Fig. 3; Y

Flg. 5 is a similar view of the structure Figs. 1 and 2. I

In the drawings a represents the chambers either with circumferential spaces 6 bers adjacent to each other (Fig. 3). The

longitudinal intervals are shown at 0.

In the two forms shown'the retort is designated by e and within and spaced from the interior wall of the retort is the inner shell, the one 03 being peripherally discontinuous, there being longitudinal spaces 6 between the chambers a, and the inner shell (1 being peripherally continuous, the chambers a being separated by radial partitions f.

In both cases the chambers are longitudinally discontinuous, being separated at their adjacent-open ends as shown'at c.

I claim:

1. An inclined, externally heated, rotary retort, having separate open-ended chambers along its length on its inner surface formed by walls or partitions running longitudinally of the retort and by an inner shell, the material passin through the retort between said shell an the retort wall, whereby undue agitation of the material is prevented and the materialis maintained in contact with the'retort wall.

U 1,636,270 UNITED STATESI'PATENT OFFI room or rmxronr-on-rnn-mam, Gasman.

2. Aninclined rotary retort as claimed in I I from each other longitudinally. has the advantages 3. Au inclined rotary retort as, claimed in claim 1, in which the chambers are spaced from each other circumferentially.

4. An inclined rotary retort as claimed in claim 1 in which the chambers are spaced from each other both longitudinally and circumferentially. 1 In testimony that I claim'the foregoing .as'my invention, I have signed my name this 2d day of July, 1925. Dr. BEBNHARD YOUNG.

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