The Introduction of coke ovens in operation was begun in 50-ies of the last century. Useful volume of the first model of the furnaces were equal to 21,6 nm³. Further in article we will consider a device called hardware.
If we consider this device as the furnace Assembly used in the industry, it consists of several parts:
In addition, the coke oven can be assembled in the battery, and the battery, in turn, can be equipped with at blocks.
On the territory of the Russian Federation often operated battery, consisting of 61, 65 or 77 ovens. If you look at the foreign industry, the battery can include up to 120 furnaces.
In the coke ovens with side inlet feed adjustment of gas and air for heating the heating unit along the wall. The process of adjustment is carried out by replacing the regulating bricks-registers and burners. Their location is at the base of the heating channels, which are characterized by a constantly high temperature, as well as the inevitable blockage that occurs in these channels.
Such conditions greatly complicate the process of flow adjustment of gas and air and do not allow control devices with the required accuracy.
However, these disadvantages have been eliminated in the coke ovens with bottom feed. In this design, the means of regulating these processes, are beyond the chimney masonry, which makes them easily accessible to staff involved in servicing furnace. To change the controls in the ovens with the design much easier.
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In order to begin the process of making coke, it is necessary to load the charge into the furnace. To implement this procedure, the unit has a hole, which is located in the upper chamber roof. There is also a hole intended for the discharge of volatile gases produced in the coking process. The latter, passing through the gas outlet, fall into a special chamber for collecting gases from which they are sent to the capture plant.
Both ends of the chamber are equipped with doors which are removed at the end of the coking process. Through the hole, the finished coke is pushed out of the furnace with the help of pusher.
It is Also worth noting that the coke ovens are fully sealed design. This is necessary in order to eliminate the possibility of leaks into the furnace of atmospheric air, which will also have to heat up if it happens. And this, in turn, will increase the cost of the heating gases that have a negative impact on the final cost of the product.
The production Process of this material is carried out in several stages:
The coke battery is a specialized metallurgical unit, whose main purpose is the procurement of coke, a fuel for blast-furnace production of cast iron.
It is Important to note that such battery operated for quite a long period of time without stopping. Most often, the period of employment is at least 25 years. During all this time inside a furnace maintained high temperature, and the masonry buildings used up products when the results from the camera.
For these reasons, the construction of coke oven batteries is only of refractory materials. These materials must withstand:
It is Also important to note that such metallurgical equipment, such as battery include between 45 and 69 coke ovens.
Like any other industrial equipment Called furnaces, are part of metallurgical plants, have a number of parameters, which carry out their classification. These include:
On the territory of the Russian Federation were most often commissioned for steel mills furnace systems PC-2K with side inlet.
Hydraulic mode of coke ovens is a clear distribution of pressure in the heating system of the entire unit as a whole. Special studies and long period of operation this mode of operation has identified the parameters which characterize the correct furnace operation:
The most Important parameter during operation of the furnace is its efficiency. This parameter affects virtually all other indicators. Period coke production, that is, the performance mostly depends on characteristics such as the width of the camera, the thickness of the walls, the temperature in the spaces, properties of refractory materials, as well as the quality of the charge.
It is Worth noting that currently the maximum speed that can be achieved from Coke oven, 32 mm/h Need to understand that this parameter is derived with the maximum temperature that can be developed and maintained in the chamber. Also one of the most important parameters which must be met for the operation of the coke oven, is the temperature of the finished "cake". It should be between 1,000°C to 1 050°C....
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Alin Trodden - author of the article, editor
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