NUT COKE of Normal Phosphorus

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
100000 m.t./month

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1. Structure of Metallurgical Coke of NUT  COKE of Normal Phosphorus Description:

Coke is an important industrial raw materials, the demand is closely related to the economic situation.Demand to drive economic growth, coke coke prices rise, economic depression, coke demand coke prices to fall.Based on the analysis of macroeconomic, it is important to have two indicators, one is the rate of economic growth, or the GDP growth rate, the other one is the added value of industrial production.Macro economic development cycle, in good condition, economic development trend, exchange rate changes, etc., for coke prices change, also need to understand the background information.

Blast furnace with Coke instead of charcoal, which laid a foundation for the large-scale of modern blast furnace, is a major milestone in the history of metallurgy.

On China's coke production distribution, the regional distribution imbalance of coking enterprises, mainly distributed in north China, east China and northeast China.

2. Main Features of the Metallurgical Coke of NUT  COKE of Normal Phosphorus:

• Quality assurance

• Mutual benefit

• Preferential price

• Various choice

3. Metallurgical Coke of NUT  COKE of Normal Phosphorus Images:

 

NUT  COKE of Normal Phosphorus

NUT  COKE of Normal Phosphorus

NUT  COKE of Normal Phosphorus


4. Metallurgical Coke of NUT  COKE of Normal Phosphorus 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

Focus on upstream and downstream products of price changes, and other energy resources products price trend contributes to the analysis and research of the price of coke.Such as: the upper reaches of the main coking coal and coking coal resources shortage, the international oil price fluctuations, the steel industry production release, 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:Coke can be used to do what carbon black can be used to do?
Carbon black in plastics industry is the first use of carbon black pigment coloring, is cheap. Second carbon black in plastics industry use is to have good ultraviolet absorption effect, its application shows quite obvious protective effects in plastic. Third carbon black in plastics industry use is conductive.
Q:What is the difference between coking plant and coke plant
Production equipment and production processes are complex.Coke plant, generally only the coal into coke on it, so simple.
Q:With the number of 1 tons of steel smelting coke
Because it can reduce energy consumption and reduce costs. So in the iron and steel enterprises coke rate decreased as the main goal of public relations, all the staff for the blast furnace coke rate reduction efforts. A few data in Liaoning, the average coke rate of Anshan and Benxi, Anshan Benxi is 330kg/t, is 360kg/t, that is to say a pig needs 330 360kg and coke production 2 saddle of the iron and steel enterprises. Shanghai Baosteel coke for the best in the country, can reach about 280kg/t. Is about 280kg per ton iron coke, the national leading level.
Q:What's the difference between coke and coke?
Higher than 550 DEG C, semi coke continues to decompose, precipitation of the remaining volatiles (the main component is hydrogen), semi coke weight loss at the same time contraction, the formation of cracks; temperature above the temperature of 800 degrees, the volume of semi coke hardens to form porous coke!
Q:Why is coke used in blast furnace steelmaking?
The role of coke in blast furnace steelmaking is as follows:(1) providing heat: the coke burns fiercely in the raceway in front of the tuyere of the coke oven, and the heat generated by the combustion is the main heat source in the process of blast furnace smelting.
Q:What are the quality indicators of coke
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. Evaluation of the quality of coke, 1 of sulfur in coke: sulfur is a harmful impurity of iron smelting, which reduce the quality of pig iron. The sulfur content in the pig iron is more than 0.07%. 11% of the sulfur from the blast furnace charge into the furnace comes from the ore, and the other comes from the limestone; the other is from the coke, so the coke is the main source of sulfur in the charge of the 82.5% of the charge. Sulfur content in coke directly affects the production of blast furnace. When the sulfur content in coke is greater than 1.6%, sulfur increased 0.1%, the amount of coke increased 1.8%, limestone amount increased 3.7%, 0.3% increase in amount of ore blast furnace output to reduce the sulfur content under 1.5 - 2.0%. metallurgical coke is not greater than 1%, the use of large and medium-sized metallurgical coke content in blast furnace is less than 0.4 - 0.7%
Q:Distinction and distinction of cokeSoil coke, improved coke, coke machine coke do, what is the difference between
3, calcium carbide coke is conductive body and a heating body for electric arc furnace of coke in the production of calcium carbide. Calcium carbide with coke into the electric arc furnace, arc heat and heat resistance at high temperature (1800-2200 degrees Celsius) under the action of complex reaction and lime, calcium carbide formation in the molten state (carbide). The generation process of the following reaction type available:CaO+3C - CaC2+CO-46.52KLCalcium carbide with coke should have low ash, high reactivity and high resistivity and grain size. The secondary characteristics, but also try to remove the powder and reduce moisture. Its chemical composition and particle size should meet the following requirement: >84% <14% fixed carbon, ash, volatile <2.0%, sulfur
Q:The reaction of the blast furnace ironmaking is the reduction reaction: the coke produces CO in the furnace,
Please see standard: metallurgical coke GB/T1996-2003, all clear
Q:Coke is how to produce, what is its purpose?
Under the condition of air isolation, the bituminous coal is heated to 950-1050 DEG C, which is finally made into coke by drying, pyrolysis, melting, bonding, solidification and shrinkage. Coke oven gas produced in the process of coking and recovery is not only a high calorific value of fuel, but also an important industrial raw material for organic synthesis.

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