US829042A - Process of preparing a mass for making briquets. - Google Patents

Description

UNITED STATES PA'IENT OFFICE.

BERNHARD' WAGNER, OF BERLIN, GERMANY.

PROCESS OF PREPARING A MASS FOFIMAKING BRIQUETS.

Specification of Letters Patent.

Patented Aug. 21, 1906.

Application filed February 3, 1905. Serial No. 248,949-

To all whom it may concern.-

Be it known that I, BERNHARD WAGNER, merchant, a subject of the King of Prussia, residing at No. 26 Mauerstrasse, Berlin, German Empire, have invented new and useful Improvements in Processes of Preparin a Mass for Making Briquets, of which the ol- -lowing is a specification.

My invention relates to a process of preparing a mass for making so-called patent uel f or briquets and which meets all the requirements which can be made of this class of material.

In carr ing out my process I proceed as follows: I heat the material (such as anthra cite) to be converted into briquets up to about 140 Centigrade, and I take a cementing or binding a cut which is soluble in water-for examp e, waste lyes from cellulosefactories-and heat it up to about 60 centigrade in a separate vessel. Thereupon I mingle the two substances in a mixing apparatus while maintaining such a temperature that the mass can be fed to the press at about 100 centigrade.

For the purpose of maintaining the mass at the-proper degree of temperature in the mixing apparatus and of enabling the anthracite or other material used and the binding medium to be as intimately mingled as possible superheated steam may advantageously be conducted direct into the mixer.

The briquets after leaving the press should. be rendered weatherproof by being heated (if possible to the exclusion of air) until the said inding agent has been coked. By the separate heating of the mass and the binding medium a perfect intimate n 'xture can be obtained for the subsequent forming of the mass, said perfect intimate mixture being a very important feature. It is also essential that the bringing together of the separatelyheated mixture and binding medium, which mixture and bindin medium have been previously heated to (iflerent degrees of temperature for the reason that the mixture of i the mass and the binding medium should be maintained at a temperature of 100 centigrade when placed in the mold, so that the mass fills out and conforms to the walls of the mold so well that quite a solid form is given to the mass.

It is essential that the mixture be fitted properly to the forms and to form a solid composition, so that the briquets so made have the required solidity and strength for the following reason: The briquets after being taken out of the forms have to be brought to a'certain apparatus which turns the watersoluble binding medium into coal. During the transportation, to this apparatus the briquets are subjected to certain manipulations which they could not stand if the mass did not possess a certain degree of solidity.

After the briquets are pressedthat is to say,

after they are put out by the lowest stamps of the pressth'ey are subjected to shakings, for they are taken from the forming-plate to the apparatus which turns them unto coal by placing them on an elevatdr. It is therefore evident that only by my process can briquets be transported mechanically without danger of breaking after leaving the forms.

Having thus described my invention, I claim as new The process of preparing a mass for the manufacture of hriquets, consisting in heating a mass of material suitable for briquetmalting to substantially 140 centigrade, and in heating a suitable binding a out, which is soluble in water, to substantia ly 60 centigrade in a separate vessel, and in mingling the two substances, while maintaining the mixture at such a temperature that it can be conducted to a press at a temperature of substantially 100 ccutigrade, all substantially as described.

In witness whereof I have hereunto signed my name, this 10th d ay of January, 1905, in the presence of two subscribing witnesses.

B E lt N HARD WAGNER.

Witnesses:

HENRY HAsrnR, WoLnEMAR IIAUPT