US292949A - Nathaniel b - Google Patents

Description

IJNiTEp STATES PATENT OFFICE.

NATHANIEL B. RICE, OF CHICAGO, ILLINOIS, ASSIGNOR TO CHRISTIAN IYAHL, OF SAME PLACE.

APPARATUS FOR C ONDENSING OR DRYING LlQUlDS.

SPECIFICATION forming part of Letters Patent No. 292,949, dated February 5, 1884.

Application filed July 26, 1883. (N0 model.)

To all whom it mag concern.-

Be it known that I, NATHANIEL l3. Bron, residing at Chicago, in the county of Cook and State of Illinois, and a citizen of the United States, have invented certain new and useful Improvements in Apparatus for Condensing or Drying Liquids, of which the following is a full description, reference being had to the accompanying drawings, in which Figure 1 is an elevation partly in section;

Fig. 2, a cross-section of the casing, and showing the upper and lower ends of the channel.

The object of this invention-is to so construct the channel of an apparatus wherein liquids or liquid solutions are dried, concentrated, orreduced by passing down a contin-, uous channel, that such channel can be re moved from the casing for the purpose of cleaning, repairing, or renewal; and its nature consists in an improved construction and arrangement of the condensing-channel with the heating devices and casing, and in theiinprovements hereinafter described, and claimed as new.

In the drawings, A indicates the exterior cylinder or casing; A, the cover; I3, the in terior cylinder or casing; C, steam-space between the casings A B; D, the continuous channel; E, inlet or feed pipe; F, dischargepipe; G, exhaust; a, steam-pipes; a, steamcoil; a and a, couplings; b, cross-section of channel; 0, supporting bars or rods. 7

The cylinders A B are cast or made of sheet or plate metal, as may be desired, and they are suitably attached to the bottom plates and an annular top plate to form a steam or heating space, C, between them. The device is i provided with a cover, A, which is attached in such a manner that it may be detached or removed.

\Vithin the casing B, I have placed or formed a circular continuous channel,-D, which extends from the bottom nearly orquite to the top. This channel is by preference formed of heavy sheet-copper, having the form in crosssection shown at b, Fig. 1, and in this form the risers or sides of the channel will give it sufficient rigidity to maintain its position within the casing. If, however, it should require strengthening, plates orbars 0 may be attached to the inside or outside, or both, so as to give the convolutions strong support from the bottom. The inner or central space is filled or partly filled with steam-pipes a, which pipes are connected with the steamspace C, and extend nearly or quite to the upper end of the device. The scroll or continuous channel-way D is not attached to the casing nor to the exhaust-pipe G, so that by the use of a crane or other suitable apparatus, when the cover A is removed, this channel or passage-way can be lifted out for either of the purposes named, when the pipe E is drawn back, and the couplings a and a dis connected.

In operation, the liquid to be treated passes in at the top or passage E, the inner end of which is so arranged that it can be drawn back out of the way, when the channel D is to be lifted. The treated material passes out at the pipe F, which pipe is provided with a trap, or has a sufficient length to counterbalance the suction, when a suction -fan or. other exhaust apparatus is applied to the pipe G. The feed-pipe E is also suitably applied to permit of the proper operation of the exhaust to concentrate the passing liquids under A a vacuum. a I have shown this device cylindrical in form, as I deem this to be the best method or manner of constructing it; but it is obvious that it may be angular in form, and two of its sides may have a greater extension or surface than the other sides, and for some purposes a single exterior casing may be used in connection with the continuously-descending channel, and therefore I do not limit the use of my removable channel to its combination with a structure having a double case.

\Vhat I claim as new, and desireto secure by Letters Patent, is as follows:

1. In a liquid condensing or drying apparatus, the removable continuously-descending channel D, substantially as and forthe purpose specified.

2. The combination of the removable channel D with the steam-pipes a, substantially as described.

35 The combination of the removable channel D with the casing A B, cover A, and steam- 3 removable channel I), substantially as specipipes a,,c0nstructed and operating snbstan- 6. The combination of the removable chan- 1o tially as described. nel and pipe D. a with the outer ease and the 4. The combination of the exhaust-pipe Gr vertical pipes a, substantially as specified. withthe steam-pipes a, casings A B, and the NATHANIEL B. RICE. fied. I

5. The combination of the removable chan- \Vitnesses: nel D and the removable coil 0, with the! O. \V, BOND,

outer case, A B, substantially as described.

A. H. ADAMS.

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