US1765430A - Furnace - Google Patents

Description

June24,1930. imam v 1,765,436

' FURNACE Filed Dec. 13. 1927' INVENTOR m5 Ego/41v KUB ATTORNEY Patented June 24, 1930 UNITED STATES PATENT OFFHIE -J'OHN KUBIK, OF NEW YORK, N. Y., ASSIGNOR 0F ONE-HALF TO JOSEPH LORINCZ, OF

new YORK, 1v. Y.

FURNACE This invention relates to a furnace for the heat treatment of steel wire and other forms of metallic materials, and its chief object is to provide a structure of this character having a novel means for the application of heat, whereby the formation of scale on the tank element is largely eliminated and its period of service lengthened.

Another object is a means for the saving of the fused element of the bath when a leakage finally occurs in the -aforesaid tank, and the prevention of dirt and foreign matter from getting mixed in the said fused element when the same leaks through the furnace heating chamber.

These and other objects and features of the invention will be fully described in the following specification and claim, and illustrated in the accompanying drawings, in which: 7

,Fig. 1 shows a top plan view.

Fig. 2 shows a vertical section on the line 2 2 of Figure 1, with a portion of'the base of the stack broken away to disclose its inner form.

Fig. 3 shows a vertical cross section on the line 3-3 of Figure 2.

The construction is as follows:

Referring first to Figure 1 of the drawings; a wall having front and back elements 10 and 11 and ends 12 and 13, is built of suitable heat resisting material and is reinforced by an outer casing of iron or like material 14. This casing is set deep in the floor 15 as seen at 16 in Figure 2. Still referring chiefly to Figure 1; a stack 17 is built at one end of the furnace and at a point near to the back thereof. A tank 18 which is usually of iron, is supported on thewalls by means of the marginal flange 19.

On reference to Figure 2, it will be seen' that this tank rests overthe heat chamber 20, which has an inclined bottom lining -21 of suitable refractory material. This bottom lining at'its lowest point connects with a base lining 22 which, on reference to Figure 3 will be seen to be inclined toward the front wall of the furnace. A'tube 23 perforates the wall at the termination of the inclined base lining. At a point above, and of corresponding area tothe base lining, is an arch 24, also of fire resisting materia Referring again to burning jet 25 passes through the front wall and is provided with suitable means of control. In the drawings; two of these 'ets are shown, but more, or less may be use as desired; or other means of supplying heat may be employed.

A.- vent 28 connects the heating chamber with the stack 17 as indicated by the dotted line 29 in Figure 1. Concrete aggregate 30 supports the inclined bottom lining 21 as illustrated.

In the drawings; the furnace is shown arranged for the heat treatment of wire, and.

any convenient number of these as seen at 35,

'36 etc., may be drawn through the tank, passing first over a roller 37, thence downward under a cross bar 38 and along the interior of the tank and submerged within the fused element 39, the surface of which is indicated at 40. This element usually consists of molten lead maintained at the required heat for the purpose. The wires pass from under the cross bar 41 upward and over the roller 42, from which they proceed to further forms of treatment .not within the purpose of this invention.

The principal object of this device, viz; the

retarding of the formation of scale on the tank and its consequent greater period of usefulness; is attained by means of the indirect application of heat. The flame 45 being shielded by the arch 24 so that it does not come in direct contact with the bottom of the tank, and the heat being conducted in the direction indicated by the arrows46 and thrown upwardagainst the said tank by the inclined surface of the bottom lining 21. This inclined bottom lining also serves; in the event of the final failure and leakage of the tank; to direct the flow of the molten lead toward the base lining 22 which shunts it off to one side where it may flow through the tube 23 into a receptacle which may be so placed as to receive it. It is thus kept clean and free from particles of foreign matter, and may be again used in a new tank without the need of any clarifying process. I

Figure 2, an oil or gas" a discharge tube at the lower beneath the forward end of the said tank and a sub-bottom at the base end of the sai inclined bottom and the floor of the said subbottom inclined downward in a direction transverse to that of the-inclined bottom, and extremity of thessub-bottom.

1 York and State-of New York this 21st day of September, A. D. 1927.

, JOHN IK- gned at New York in the county of New

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