Coke lumps20-50MM

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
50000 m.t./month

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Item specifice:

coke: coke

Product Description:

1. Structure of Metallurgical Coke of Coke lumps20-50MM Description:

Coke is made by high temperature metallurgical coke for blast furnace smelting, casting and gasification. Occurring in the process of coking after recovery and purification of coke oven gas is a high calorific value of fuel, is an important industrial raw material in organic synthesis.

Coke is mainly used for blast furnace ironmaking and used for copper, lead, zinc, titanium, antimony, mercury and other non-ferrous metal smelting of blast furnace, reducing agent, compound and the function of stock column frame. 

1/3 coking coal is a new coal, it is the high volatile, strong cohesiveness of a kind of bituminous coal, is between the transition between and among coking coal, fat coal, gas coal coal.Separate coking can generate molten sex good, high strength of the coke.Coke crushing strength generated close to fat coal coke, coke wear-resisting strength and significantly higher than the air fertilizer coke coal gas coal is generated.

2. Main Features of the Metallurgical Coke of Coke lumps20-50MM:

• Quality assurance

• Mutual benefit

• Preferential price

• Various choice

3. Metallurgical Coke of Coke lumps20-50MM Images:

Coke lumps20-50MM

Coke lumps20-50MM

Coke lumps20-50MM

 

4. Metallurgical Coke of Coke lumps20-50MM Specification:

 

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

8% max

10%

M40

82% min

80%

CSR

62% min

60%

CRI

28% max

30%

Size 30-80 mm 

90% min


+80 mm

5% max

8%

-30mm

5% max

>8%

 


5. FAQ

As a special and rare types of high-quality coking coal in Australia, the United States, Canada and other countries have been strategic protection, become strategic raw materials.As early as in 2009, the ministry of land and resources issued about the implementation of the national mineral resources planning, points out that strengthening the protection of important advantage of mineral and mining management, deal with the national economy is of important value of the special and rare types of coal which protective mining, reasonable control the scale of production, strengthen the rational use of coking coal, fat coal, etc.


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Q:Effect of coal fineness on coke
From the point of view of the uniformity of coal material, the more finely pulverized coal. But if the coal fineness is small, because of the presence of a larger particle weakly caking coal and ash and coke cracks increased, the uniformity of deterioration. If the particle size of coal is not uniform, it is easy to produce segregation phenomenon in the transportation process, the grain size of different size will be gradually stratified by size. Due to the different coal hardness of the coal blending, large particles of coal is often a greater hardness of coal, so the segregation phenomenon, will make the different coal species gradually separated, so that the uniformity of coal deterioration.
Q:What are the requirements for the quality of coke in blast furnace smelting
Different uses of different coke porosity index requirements, the general requirements of metallurgical coke porosity in the 40 ~ 45%, 35 ~ 40% in coke, coke export demand in about 30%.Coke crack degree and the porosity level, and the coking coal has a direct relationship, such as coal based coke refining, crack, high porosity, low strength; with coal as the foundation of the coal refining coke crack less, low porosity and high strength. The strength of coke is usually represented by two indices of crushing strength and abrasion resistance. 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:The specifications for coke used in stainless steel smelting are as follows
Metallurgical coke indicators are as follows:A metallurgical coke: fixed carbon, 86%; calorific value 7300cal/kg; ash < 12%; volatile < 1.9%; all 5% "0.6%" water; sulfur;
Q:How many degrees of coke ignition temperature can ignite coke
Ignition temperature (450-650) in air;Dry ash free base low calorific value is 30-32KJ/g;The specific surface area is 0.6-0.8m2/g
Q:Method for removing coke from nonstick pan bottom
After high temperature sintering, and carbonization of things, glued to the pot, often with chemical methods.The most effective way to do this is by hand:
Q:The cost of iron ore and coke
Per ton of iron ore 490 yuan / ton, the use of steel per ton coke of 500 kg, coke per ton of 1250 yuan / ton. You can calculate the proportion of these data
Q:What is the difference between coke and coking coal
Coking coal is a kind of bituminous coal with a high degree of deterioration, and the thermal stability of the resultant colloid is good when the coke is produced separately. The block size of the coke is large, the crack is small and the strength is high
Q:Is the power plant using coking coal or coke?
According to the use of coal can be divided into: injection coal, coal, coal coking coal can be divided into: lean coal, coking coal, gas coal, fat coal, lignite in five categories. Coking coal is used to refine coke. The power plant's coal coal power coal can also be said that under normal circumstances, can not be used for coking coal can be used to make electricity.
Q:How coal is turned into coke in the coking chamber
Simply put is to let the coal in the isolated air furnace heating, volatile volatile, and the rest is cokeOf course, the volatile ingredients to be collected, are the baby
Q:The difference between coke and coal
This is the nature of coal from the formation of coal is coal, and coal deep-processing products

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