Low Ash Metallurgical Coke CSR64% System 1

Low Ash Metallurgical Coke CSR64%

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 100,000MT m.t./month

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MET COKE of Coke Strength after Reactivity 64

Low Ash Metallurgical Coke CSR 64%

Parameters	Guarantee	Rejection
Total Moisture (As received basis)	5% max
Ash (dry basis)	12.5% max	> 13.5%
Volatile Matter (dry basis)	1.5% max	> 1.8%
Sulphur (dry basis)	0.65% max	> 0.75%
Phosphorus (dry basis)	0.035% max	> 0.045%
M10	7% max	> 9%
M40	84% min	＜82%
CSR	64% min	＜62%
CRI	26% max	> 28%
Size 30-80 mm	90% min
+80 mm	5% max	> 8%
-30mm	5% max	> 8%

Usage/Applications

To be used for blast furnace in steel plants

Main Features of the Product

● Low ash

● Low sulphur

● Ready to ship in stock

Inspection

Inspectorate at loading port to be final to bothparties in quality and quantity

Packaging & Delivery

1. Packaging: in bulk

2. Delivery: loading rate of 8,000 mt PWWD SHINCat Tianjin port

Low Ash Metallurgical Coke CSR64%

Q: The difference between coal and coke: The semi coke production tend to low temperature carbonization, distillation temperature at 600 degrees Celsius, due to a late start, at present the low temperature carbonization furnace single furnace annual output of 30 thousand tons / year in most equipment under low temperature carbonization furnace forum of more than 50 thousand tons / year scale is still at the exploratory and experimental stage, technology of the large-scale equipment is still not mature, can only achieve centralized mass production using a combination of multi furnace technology. The use of coal field is quite widespread, especially in the carbonaceous reducing agent has unique properties, economic advantages are very obvious.

Q: What is the reasonable ratio of coal to coke: According to the proportion of each unit type, different operation, different existing coal and different coke quality requirements are different and so on, can be said to suggest that the landlord can look at the altar of the myriads of changes, in some aspects of the coal blending, grasp some general principles, and then develop the proportion according to the actual situation.

Q: What are the indicators of first grade coke and the two grade coke?: Two level 12.01-13.50 0.61-0.80 not less than 76 not greater than 9 not greater than 1.9Three level 13.51-15.00 0.81-1.00 not less than 72 not greater than 10 not greater than 1.9

Q: Coke indicators are divided into grades: Coke crushing strength refers to coke can resist foreign impact force without ability along cracks or defects at the broken, represented by the M40 value; wear strength of coke coke refers to the ability to resist external friction without surface of glass forming debris or powder, said M10. The cracking degree of coke affects the M40 value of its breaking strength, and the pore structure of coke affects the M10 value. There are many methods for determination of M40 and M10 value method, commonly used in our country the German migon drum test.

Q: How coal is turned into coke in the coking chamber: The kiln chamber wall set to continue burning, and some heat incoming kiln (indirect heating). High temperature gas flow (800 DEG C, is mixed with coal pyrolysis, chemical products into the fabric of unburned.

Q: Can the sulfur content of coke affect the casting process of nodular cast iron at 0.65?: If the control is not good, the manganese content in the molten iron can be increased by increasing the reagent

Q: Purpose of using coke in iron making raw materials: The coke can provide the heat required for the reaction and has the reducibility

Q: Coke in the whole process of steelmaking in the end is what to do, just to provide heat or carbon and other substances into steel or iron?In the study of coal classification inside, one is divided into coking coal, coking coal and coke as main, and then you see is steel or iron coke must material. What is not clear. In the end, out of coal mining is mainly used to burn energy extraction, or said that coal like oil can be converted into other products, which is a coke can convert?: It is necessary to add coke, pellet, sinter ore, ore and other materials into the blast furnace in a certain proportion, batch and sequence, and then to produce molten iron in the reducing atmosphere of the blast furnaceAfter the hot metal to steel in converter against the general converter, scrap also need to add a certain amount of used to balance the heat. Hot metal and scrap are added to the converter after the oxygen lance for oxygen operation, the oxidation of oxygen to carbon in liquid iron, silicon, manganese, phosphorus, sulfur and some non-metallic inclusions to form steel. Adding lime, dolomite, iron oxide and mine slag and coolant is needed in oxygen at the same time. After the completion of steel smelting in the tapping process according to different requirements with the corresponding iron alloy steel, after also refining process.

Q: How to determine the maturity of coke or not?: The degree of fragmentation of coke: refers to the different levels of coke accounted for the percentage of total coke production. The particle size of coke is very important in blast furnace smelting. The coke block is uniform, the gap is large, the resistance is small, and the furnace condition runs well.Breaking strength of metallurgical coke (M40 drum index)The breaking strength of metallurgical coke is an index to reflect the breaking resistance of coke.Wear resistance of metallurgical coke (M10 drum index)The wear resistance of metallurgical coke is an index to reflect the wear resistance of coke.

Q: How much coke is needed for a ton of iron: Iron ore in blast furnace, mainly iron and oxygen compound. At high temperature, the carbon monoxide produced in the coke and the carbon dioxide in the injection and the carbon monoxide generated by the carbon capture the oxygen in the iron ore, which is called the reduction. The iron ore is used to produce pig iron by reduction reaction. The gangue in the iron ore, the ash in the coke and the spraying material and the flux of the limestone in the furnace are combined to generate the slag, and the slag is discharged from the taphole and the slag outlet respectively. The gas is derived from the top of the furnace, which is used as industrial gas after dust removal. Modern blast furnace can also use the top of the high pressure, with the export part of the gas power generation.

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