DE51896C - Process for separating and collecting the solid components of the smoke - Google Patents

Description

IMPERIAL

PATENT OFFICE.

CLASS 40: Metallurgy.

The present invention relates to a method, solid materials or particles, which were carried away by the rising smoke in the most varied of industrial operations to deposit and collect.

In metallurgical operations the smoke carries fine particles by means of its solid parts Particles of the valuable metals, and so reduces the yield if these particles cannot be collected again. It was therefore to be carried away with the smoke Separating particles and then utilizing them again is different Methods used but either imperfect or it was their use too expensive. The solid materials can after being collected on the can be used in a wide variety of ways, e.g. B. for the manufacture of paint the smoke of molten lead; but they are usually melted down for metal extraction.

When burning carbonaceous bodies such as wood, charcoal, coal, oil and Gases, the gaseous products of combustion mix completely with solid coal, and charred substances.

The bulk of the. entrained solid parts depends on the perfection of the combustion and although the burn can be made so perfect, all of them Carbon compounds are turned into gas. it is not always expedient To do this, in some cases even, as in the manufacture of (Kienruf-) lamp black, incineration must be used for extraction the greatest possible amount of solid matter suspended in the gas is as incomplete as possible be. It therefore seems particularly desirable where there is a great deal of thick black smoke from chimneys flow out over heavily populated districts, as well as in the manufacture of lamp black separate the solid substances from the smoke before releasing it into the open air will.

This separation has been tried in the most varied of ways, but all of them Attempts now made showed the same shortcomings as the reputation-catchers.

With the exception of a single method of knocking down and collecting solid constituents that use electricity can all be used or attempted methods can be divided into two classes, one in which water is used, and one which, when dry, causes separation.

Now the present invention belongs partly to the first class and partly is they are completely new.

It is well known that there is a lack of complete retention of solid materials in the wet method is due to the fact that the water alone is not able to remove the smallest particles of solid matter, in whichever they are, moisten.

SI

The inventor has now noticed that after adding certain organic chemicals to it the mixture immediately moistened and retained all solid particles in the water, likewise there are certain related organic chemicals which are insoluble in water or not to be mixed with it, possess the same power as the solid particles moisten and hold back.

The following organic chemicals can be used for this purpose:

Unrefined or refined petroleum, compounds of the same with organic acids and salts, alcohols and alcohol derivatives, wax, fat, resins, turpentine, carbon disulfide and persistent, drying and essential oils.

With these organic chemicals a real success is achieved when you smoke over the surface of the liquid through the same or through a shower, or by these procedures are involved.

It will seldom be necessary to heat the chemicals outside before use to melt the bath, since in most cases the warmth of the smoke will be sufficient in a liquid state.

Any of the above chemicals are sufficient for a bath, but sometimes it is better and cheaper to use a mixture of two or more.

The water soluble chemicals are usually used in aqueous solution.

The accompanying drawing shows the very simple apparatus used in the Longitudinal section, but the details of the same can be very different be without, however, significantly changing the success.

A is the container that is used to hold the chemicals in solution.

B is the smoke delivery pipe.

CC ¹ are showers for introducing the chemicals as flight water when it appears desirable.

D is the outlet for the appropriate gases.

Line EE indicates the height to which the chemicals must reach if the smoke is to pass through them.

Line ^{ι ι} -Ε ^λ denotes the height up to which the chemicals have to reach if the smoke is only to sweep over their surface.

F is an opening for clearing away the collected material.

Claims (1)

Patent claim: The use of petroleum, compounds of the same with organic acids and Salts, alcohols and their derivatives, waxes, fats, resins, turpentines, carbon disulfide, solid, drying and essential oils to a bath, through which or over which the smoke sweeps to wet its solid parts of it, and thus separate it allow. For this purpose ι sheet of drawings.