Table of contents
Petroleum coke is the product of light and heavy oil separated from crude oil by distillation, and then transformed into heavy oil through thermal cracking process. It is the “waste” at the end of the petroleum refining process.
From the appearance, coke is black block (or particle) with irregular shape and different sizes, with metallic luster. The particles of coke have porous structure, and the main element composition is carbon.
According to different forms, it can be divided into needle coke, pellet coke or spherical coke, sponge coke and powder coke.
With the recovery of steel and electrolytic aluminum industries, the demand for carbon products made of petroleum coke increases, and the market profit is very considerable.
① Grinding stage
The calcined petroleum coke (or after one-time crushing) is continuously and evenly sent to the main machine grinding room for grinding through the skirt belt feeder. The ground fine powder is sent to the classifier for classification under the action of fan air flow, and the fine powder with qualified fineness enters the collection stage through the air outlet pipe.
② Collection phase
The dust gas from the mill enters the cyclone collector through the air outlet pipe of the main engine. Under the action of centrifugal force, most of the finished fine powder is separated and collected by cloth bags. The finished fine powder is transported to the finished product conveying stage through the screw conveyor.
③ Conveying stage
The finished ore powder collected by the dust collector and cyclone collector is sent to the next process by the screw conveyor.
④ Finished product stage
The ground petroleum coke powder is calculated, weighed and focused with the aggregate and binder of particle size respectively according to the formula requirements, and then kneaded to make the raw materials mixed evenly and finally plastic formed.
Raw coke is used in glass factories, ceramic factories, etc
Processing fineness: 180 mesh, D90
Applicable material: raw coke
Low sulfur and high-quality cooked coke is used to make graphite electrode
Processing fineness: 200 mesh, above d70
Applicable materials: low sulfur, high-quality cooked coke
Cooked coke with low sulfur and high quality, such as needle coke, is mainly used to manufacture ultra-high power graphite electrode and some special carbon products; In steelmaking industry, needle coke is an important material for developing new technology of electric furnace steelmaking.
According to the feed fineness and moisture content of petroleum coke and the fineness and purpose of finished products, we can help you reasonably select the grinding and powder selection process, and determine the type, model and quantity of pulverizer according to the production capacity and other requirements.
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