SU46234A1 - The method of ironing solid fuel - Google Patents

Description

In the coke-chemical and gas industry, when coking solid fuel in coke ovens, the released coke oven gas has a temperature of 700-800 ° C and, with a large amount of it, carries with it a lot of physical heat. Several proposals are known for using this heat (Collen firm for steam formation, Smé Solvay's firm for continuous distillation of the resin, etc.), however, none of them have found wide application for themselves, and in our coking and gas plants it is heat still no use.

The proposed method of using this heat as a heat carrier for semi-coking makes it possible at each gas or coking plant, along with the coking shop, to have a semi-coking shop with a capacity of 15-20% of the coking shop's performance. With the high capacity of existing coking plants, this method will give a significant impetus to the development of semi-coking, for which the question of the rational choice and low cost of the coolant plays a crucial role. The coking will get in such a way

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if not free, then extremely cheap and powerful energy base.

At the same time, for many regions (for example, the Urals), this method will solve the problem of coking off the charge for coking, since the resulting semi-coke can be used for the coking charge.

All this makes it possible to consider that the use of the described method of combining coking with nouxing will have a significant effect, along with a number of technical advantages (the possibility of coking off the charge of coking, using low-grade local fuel for coking, increasing the amount of gas, etc.) It involves the use of hot coke oven gas released during the coking of solid fuel in gas or coking plants for semi-coking (beveling) coal in furnaces with internal ogrevom.

Structurally, this can be done as follows. Furnaces with internal heating for ironing are located in a row on the coke side parallel to the front} of coke ovens. Wheelchair or hydraulics on

The furnaces are replaced by a hot lined gas collector, from which coke oven gas, along with resin vapors, is poured through the same hot gas pipelines through the coke pusher paths and is fed into the seaming furnaces. From the latter, the gas is released at a temperature of 200 ° C in a mixture with shvelagaz, carrying with it all the products of coking and ironing, is sent to a refrigerator and then is exhausted to the chemical plant by an exhauster.

The technical process of the latter must, of course, be somewhat modified, since it must simultaneously process the products of the ironing and the products of coking. However, this should not present any particular difficulties, since the mixture of benzene, gasoline

and primary - secondary resin is nothing nasty and the first can be used directly as motor fuel, and the second, as usual, after appropriate distillation, on oils.

The semi-coke obtained in the course of the course of ironing can be used either as a fuel or as an emaciated additive to the charge of coking.

The subject matter of the invention.

The method of ironing solid fuel by directly conducting a gas-carrier through a mixture, characterized in that coke-oven gas is used as a heat carrier immediately after it leaves the coke oven.