Met coke / Blast furnace coke

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1000 m.t.
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100000 m.t./month

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Item specifice:

metal: metal

Product Description:

SpecificationsK Investments and West Trade are independent retailers of solid fuels such as coal, coking coal, coke and anthracite.

We are able to provide different types of coke from polish coke plants.


 Met coke / blast furnace coke 25/30 - 80/90mm, 40 - 80mm


Please do not hesitate to contact us.

Variant "1"


Blast furnace coke

25/30-80/90mm

Calorific calue:min.29.500kJ/kg

Moisture content:max.1,5%

Ash content:max.10,5%

Sulphur content:max.0,7%

Volatile matter:max.1%

Phosphorus content:max.0,075%

Alkalic content:max.0,4%

Chlorine content:max.0,06%

M40:min.80%

M10:max.7%

CSR:min.60%

CRI:max.30%

Undersize <25mm:max.6%

Undersize <30mm:max.7%

Oversize >90mm:max.6%

Oversize >80mm:max.10%


 

25/30-80/90mm

Calorific calue:min.27.500kJ/kg

Moisture content:max.6%

Ash content:max.10,5%

Sulphur content:max.0,8%

Volatile matter:max.1,2%

Phosphorus content:max.0,075%

Alkalic content:max.0,4%

Chlorine content:max.0,07%

M40:min.78%

M10:max.7%

CSR:min.58%

CRI:max.32%

Undersize <25mm:max.6%

Undersize <30mm:max.7%

Oversize >90mm:max.6%

Oversize >80mm:max.10%


 

Variant "2"

Blast furnace coke

25-80mm in dry state

Calorific calue:approx.28.500kJ/kg

Moisture content:approx.6%

Ash content:approx.10,5%

Sulphur content:approx.0,6%

Volatile matter:approx.1%

Phosphorus content:approx.0,05%

Alkalic content:---

Chlorine content:---

M40:approx.76%

M10:approx.7%

CSR:approx.58%

CRI:approx.32%

Undersize <25mm:approx.6%

Undersize <30mm:---

Oversize >90mm:---

Oversize >80mm:---


 

Variant "3"

Blast furnace coke

25-80mm

Calorific calue:min.27.000kJ/kg

Moisture content:max.7,5%

Ash content:max.11%

Sulphur content:max.0,7%

Volatile matter:max.1,3%

Phosphorus content:max.0,04%

Alkalic content:---

Chlorine content:---

M40:min.85%

M10:max.7%

CSR:---

CRI:---

Undersize <25mm:max.10%

Undersize <30mm:---

Oversize >90mm:---

Oversize >80mm:max.10%


 

25-90mm

Calorific calue:min.27.000kJ/kg

Moisture content:max.7,5%

Ash content:max.11%

Sulphur content:max.0,8%

Volatile matter:max.1,4%

Phosphorus content:max.0,04%

Alkalic content:---

Chlorine content:---

M40:---

M10:max.7%

CSR:---

CRI:---

Undersize <25mm:max.10%

Undersize <30mm:  

Oversize >90mm:max.10%

Oversize >80mm:---

M30:min.80%

M25:min.83%


 

30-80mm

Calorific calue:min.27.000kJ/kg

Moisture content:max.7,5%

Ash content:max.11%

Sulphur content:max.0,7%

Volatile matter:max.1,3%

Phosphorus content:max.0,04%

Alkalic content:---

Chlorine content:---

M40:min.85%

M10:max.7%

CSR:---

CRI:---

Undersize <25mm:---

Undersize <30mm:max.10%

Oversize >90mm:---

Oversize >80mm:max.10%


 

40-80mm

Calorific calue:min.27.500kJ/kg

Moisture content:max.7,5%

Ash content:max.11%

Sulphur content:max.0,8%

Volatile matter:max.1,3%

Phosphorus content:max.0,04%

Alkalic content:---

Chlorine content:---

M40:min.80%

M10:max.8%

CSR:---

CRI:---

Undersize <25mm:---

Undersize <30mm:---

Oversize >90mm:---

Oversize >80mm:max.10%

Undersize <40mm:max.10%

Met coke / Blast furnace coke

Met coke / Blast furnace coke

Met coke / Blast furnace coke


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Q:What is the amount of waste gas produced by a ton of coke burning
Metallurgical coke with high carbon content, high porosity, high strength (especially high temperature strength), is an important fuel and reducing agent of blast furnace ironmaking, but also the entire blast furnace pillar supporting agent and loose agent
Q:What are the requirements for the quality of coke in blast furnace smelting
Evaluation of coke quality1, sulfur content 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%.2, the phosphorus in the coke: iron metallurgical coke coke content should be in the following 0.02 - 0.03%.3, the ash content of coke: Coke Ash on the impact of the blast furnace smelting is very significant. Coke ash increased by 1%, coke consumption increased by 2 - 2.5%, therefore, the reduction of coke ash is very necessary.
Q:Coke can be used to do what carbon black can be used to do?
2 carbon black is produced by compounds of carbon and carbon, the main hydrocarbon combustion, the combustion is not sufficient, can not be converted into carbon dioxide, is carbon monoxide, so as small particles of carbon particles, which is carbon black; carbon black can be used as filling agent of rubber mixture, preferably for tires.
Q:Coke is divided into several kinds of specifications ah
Three: 1 2 3 coke metallurgical coke of high sulfur cokeCoke is in coal under the condition of air isolation, heating to 950-1050 DEG C, after drying, pyrolysis, melting, bonding, curing and contraction of the final stage is made, the process is called high temperature coking (high temperature carbonization). Coke obtained from high temperature coking for blast furnace smelting, casting and gasification. 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. Coke is mainly used in blast furnace ironmaking and smelting of non-ferrous metals such as copper, lead, zinc, titanium, antimony, mercury and so on.
Q:The specifications for coke used in stainless steel smelting are as follows
Two metallurgical coke: fixed carbon 84.5-85%; calorific value 7000cal/kg; ash < 13.5%; volatile < 1.9%; all 6% "0.7%" water; sulfur;
Q:With the number of 1 tons of steel smelting coke
The use of coke pig iron smelting blast furnace, for each different, which is each blast furnace coke ratio (the ratio of the iron smelting a ton of coke by iron determined how many meals). The country or the world, the iron and steel enterprises coke are not the same, the coke rate is as low as possible, but there are many factors which restrict the level of coke, such as advanced level equipment, raw material and fuel quality, or the operator level, advanced process and so on many factors which influence
Q:What are the ingredients of coke
Two, coke distributionAccording to the distribution of coke production in China, the geographical distribution of coking enterprises in China is unbalanced, which is mainly distributed in North China, East China and northeast china.Three, the use of cokeCoke is mainly used in blast furnace ironmaking and smelting of non-ferrous metals such as copper, lead, zinc, titanium, antimony, mercury and so on. The use of coke instead of charcoal in the blast furnace has laid the foundation for the large-scale development of modern blast furnaces and is a major milestone in the history of metallurgy. In order to achieve better technical and economic indexes of blast furnace operation, the coke (metallurgical coke) must have proper chemical and physical properties. In addition to a large number of coke used in iron smelting and non-ferrous metal smelting (metallurgical coke), but also for casting, chemical, calcium carbide and iron alloy, the quality requirements are different. Such as foundry coke, generally require large size, low porosity, high fixed carbon and low sulfur; chemical gasification, strict requirements for strength, but requires good response, high ash melting point; calcium carbide and coke production requirements to improve the fixed carbon content.
Q:Purpose of using coke in iron making raw materials
Purpose as follows:1. Provide the heat required for the reaction2, do reducing agent, generate CO, at the same time itself can also restore the iron
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 in the steelmaking process in the end is what
3) skeleton: smelting process in blast furnace is gas rise and decline occurred in the opposite charge of movement and interaction, the core permeability is the key operation of blast furnace. In the upper column, gas flow distribution of coke layer; in the middle of the column material, the coke from the skeleton effect, support has been melting the iron ore, the normal gas rise; in the lower column, high temperature in the solid massive existing coke and has become liquid hot metal and slag mixed together, become loose skeleton gas rising and falling iron and slag.

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