USRE930E - Improvement in flouring-mills - Google Patents

Description

D. S. WAGENER.

Grain Cleaner.

'Reissud M`rch 13. 1860.

UNITED STATES' PATENT rricn.

D. S. VAGENER, OF PENN YAN, NEVVYORK.

' IMPROVEMENT IN FLOURING-MILLS.

Specilication forming part of Letters Patent No. 13,610, dated September 25, 1355;

March 13, 1860.

Reissue No. 930. dated letter A is the air-tight chamber, rest-ing ony the easement surrounding the stones or runner; a, the door opening into the chamber,

lwhen necessary to examine the interior ot' the same; b, pin and staple for fastening the door; B, the ventilatingtube,extending from the outside ofthe building into the air-tight chamber; U, the suction-tube, connecting with tube B in the airtight chamber, and running beneath the shoe and above the eye of the millstone to the fanners l); g, the driving-pulley; E, the case inclosing the runner or stones, which I convert into a hotair chamber or extral receiver, in which the heated air accumulates; F, the tube tor carrying o' the hot air; l,the throat in fanner D, (shown in dotted lines;) 2, 3, and 4, the iloors.

In Fig. 2, A is the air-tight chamber; c, the hopper; d2, the shoe; e e, the posts of the frame; B, the ventilating-tube; C, the suction-tube; D, the ianners; 1, the throat; g, the drivingpulley. 2, 3, and 4 represent dif-v ferent iloors of the building; E, the hot-air chamber; G, the partition for excluding the hot air from the air-tight chamber A; F, the tube for carrying oit the heated air; h, the throat or scroll for receiving the air; H, the ruimer; H2, the bedstone; I, the spindle and bearings; K, that portion of the tube where tubes B and C connect., At this part of the tube there is an aperture directly under the shoe, into which the grain falls, and is some` thing like a funnel. The opening below is just large enough to let the grain fall through that portion of the tubewhere the current passes, and which is shown in dotted lines at K, only as fast as it can be ground, thus having the full force of the current on the grain and. clearing it of all impurities.

hot-air case; h, the throat tor arrestfn; thehot air and causing it to enter tube F. In the operation ot my machine I construct chamber A air-tight, except where the grain passes from the hopper. clude all dust fiom the eye ot' the stone. I then introduce into chamber A tube B from the outside of the building, or a clean apartment belonging thereto, connecting it in chamber A with tube C and fanner I), or its equiv alent. l then put my blower in motion by any ordinary connection, and as the blower is made rapidly to revolve a suction is created through tubes B and C, passing rapidly through' the grain as it falls through the tube into the eye of the stone; or I may disconnect the tube B and dispense with it entirely, and allow the air to be drawn up through the grain at the pointot' discharge-tube O shown at K, thus cleaning grain at the point designated by suction-blast alone, the airtight chamber excluding all dust from concentrating in the eye of the stone, as in the mills in ordinary grinding. The entire force ot' the current thus introduced passes undisturbed through the grain, cleaning it entirely of the dust and all light substances which may have remained in the wheat after the cleaning process usual is undergone, or which may have collected while in the mill.V A por` tion ofthe air thus introduced into the airtight chamber A can escape wit-hthe grain and ventilate the stones. As the constant friction of the stone causes heat, it is necessary t'or me to provide for carrying it oft', or else it would rise up and condense in my airtight chamber, and cause the inside ofthe chamber to sweat and become moist, and it' allowed to do so would pass down through the eye of the stone and greatly retard the grinding process by causing a dampness in the grain and Hour, and thereby heating it and greatly injuring the same. To avoid this, I construct an extra chamber or casing, E. This chamber surrounds the entire bed of the stone, and is formed by means ot' the eXtra partition Gr, which is made stationary on the under side of the top of the casing, and extending down to the back of the stone, thereby vexcluding the hot air from the air-tight chamber. As the stone revolves, the centrifly this means I eX-V uga-l force of the stone imfasts a. circular eurrent tothe air and causes itto tend outward and around with the stone until it comes to the throat h, where it is checked and passes up through the tube F, and is mingled with the outer air, leaving the lour or meal cool and in a good condition for bolting, free from all dust and the o'ensive smell which injures the quality and sale of the iionr,` and which is caused by the oonnement of the heated air in the ease around the stone,oansing the meal to ferment and become sour that remains in it. This I avoid by my invention.

Having thus fully described the construction and operation of my invention, what I

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