CS243375B1 - Coking chamber bend elbow - Google Patents

Abstract

Water nozzle for cooling carbonization gas and hydroinjection nozzles for smokeless filling of the coking chamber are located in the transfer elbow between the coking chamber riser and the coke oven battery header. The arrangement of nozzles in the transfer elbow of the coking chamber in the arc of which two holes are formed one after the other for mounting the injection and cooling nozzles consists in the fact that a water flushing nozzle with a cutting angle of 40 to 90° is located in the upper hole and a hydroinjection water nozzle with a cutting angle of 20 to 60° is located in the lower hole. The water flushing nozzle is equipped with a device for forming an unfilled water cone and the hydroinjection water nozzle is equipped with a device for forming a full water cone.

Description

(54) Coke elbow

Water nozzle for cooling the carbonization gas and hydroinjection nozzle for smokeless occupation of the coke oven chamber located in the transferring elbow between the coke chamber riser and the coke oven battery. The arrangement of the nozzles in the coke coolant transfer elbow, in the arc of which the two injection and cooling nozzles are arranged in succession, consists in that in the upper opening there is a water-cooling nozzle with a cutting angle of 40-90 ° and a lower opening. a hydroinjection water jet is fitted with a cutting angle of 20 to 60 °. The water cooling nozzle is provided with an unfilled water cone device and the hydroinjection water nozzle is provided with a full water cone device.

243375 *

Yyněioz solves water jets for cooling the carbonization gas and hydroinjection nozzles for smokeless occupation of the coking chamber located in the transfer knee between the coking chamber riser and the coke oven battery.

For the general occupancy of the coke chambers, the injection of water vapor into the transfer knee is often applied, in which gas and tar mist are entrained into the pattern. In these cases, a low-pressure water jet with a swirl chamber is installed above the injection nozzle in the upper arch of the transfer knee.

This nozzle is scientifically designed to provide a reasonably wide, water-filled shower cone. The principle of steam injection has recently been abandoned due to high energy demands and replaced by hydro-injection.

Nozzle arrangements are known in the transfer elbow, in which a high-pressure injection nozzle is inserted into the opening of the steam nozzle, the outlet nozzle of which is inserted into the transfer elbow relatively deep so that its mouth intersects the open water cone of the cooling nozzle. the arc of the transfer knee, thereby achieving a constant flushing of the nozzle of the injection nozzle on which carbonization labels would otherwise be formed; however, they settle on the upper and lower portions of the knee bend, where the water cone beach of the cooling nozzle cannot reach this configuration.

Raising this water cone up or opening the water cone prevents the risk of water entering the riser. In addition, such a design solution is known, consisting in the installation of a single nozzle in the transfer elbow, which functions as a cooling nozzle.

However, the supply of two pressure differentials is very complicated and the performance of this combined nozzle is satisfactory only at a relatively high pressure and, in spite of this, it is more or less satisfactory only for coke-oven batteries with a packed charge.

The above-mentioned drawbacks are eliminated by the arrangement of the nozzles in the transfer elbow of the coking chamber, in the arc of which two openings are provided to accommodate the injection and cooling nozzles, and the invention is based on the water cooling nozzle and spray angle of 40 to 90 a hydroinjection water nozzle with a spray angle of 20 to 60 ° is seated in the lower opening.

The water cooling nozzle is provided with an unfilled water cone and the hydroinjection water nozzle is provided with a full water cone.

In the arrangement of the nozzles according to the invention, the raw carbonization gas is already partially cooled by the water of the cooling nozzles to the hydroinjection water jet, thereby increasing the operation of the hydroinjection, especially in the ramming machines, and improving the permeability of the transfer knee. carbonization deposits in previously uninhabited deaf places.

With this arrangement, there is no need to install three-way valves or check valves, as is the case with a single, combined nozzle. The advantage is that lower injection water pressure sources can be used.

The nozzle arrangement according to the invention can be seen from the exemplary embodiment shown in the accompanying drawing: a water cooling nozzle 6 provided with a swirl insert bes of the central opening providing a hollow water cone with a spray angle of about 60 °.

The lower opening £ j «£ rectified hydroinjektážní nozzle ³ rozstřlkem approximately 30 ° and water crowded cone, which creates e.g. Swirl insert with a central hole.

Claims (2)

SUBJECT OF THE INVENTION 1. An elbow of a coking chamber in the arc of which two injection and cooling nozzle openings are provided, characterized in that a water-cooling nozzle (4) with a spray angle of 40 to 90 ° and a lower nozzle (4) are arranged in the upper opening (1). In the opening (5), a hydroinjection water jet (6) with a spray angle of 20 to 60 ° is set. An access elbow according to claim 1, characterized in that the water announcement nozzle (4) is provided with a hollow, unfilled water cone device and a residential injection water nozzle (5) is provided with a full water cone device.