Met coke / blast furnace coke

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 100000 m.t./month

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Specification

metal:

metal

1. Structure of Met coke / blast furnace coke 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.

Iron ore species type is various, has found that the iron content of iron ore minerals and about 300 kinds, among the common there are more than 170 kinds.But in the current technical conditions, the main industrial utilization value is magnetic hematite, magnetite, hematite, ilmenite, limonite and siderite, etc.

Many but not rich iron ore resources in our country is given priority to with low grade ore, rich ore resources reserves accounted for only 1.8%, while lean ore reserves accounted for 47.6%.Small and medium-sized mines, large mine less, less super-large ore.Ore type complex, difficult dressing and multicomponent (partner) of raw ore than major.

2. Main Features of the Met coke / blast furnace coke ：

• Quality assurance

• Mutual benefit

• Preferential price

• Various choice

3. Met coke / blast furnace coke Images:

Met coke / blast furnace coke

4. Met coke / blast furnace coke Specification:

ItemGradeSize/mm

>40>2525~10

Ash/%I<12

II12~13.5

III13.5~15

SI≤0.6

II0.6~0.8

III0.8~1.0

Compressive

Strength

M25/%

(M40)I>92 (>80)

II92~88 (>76~80)

III88~83 (>72~76)

M10/%I≤7.0

II≤8.5

III10

Volatile Matter/%1.9

Moisture/%4.0+/-1.05.0+/-2.0≤12.0

Powder content/%4.05.012.0

5. FAQ

Q: What certifications do you have?

A: We are specialized in the photovoltaic field, with a focus on solar cells, modules and photovoltaic power generation systems. We employ advanced monocrystalline and polycrystalline silicon solar cell manufacturing equipment, producing highly efficient and reliable products sold in Europe, the Americas and Australia. Our company has passed ISO9001 quality management system certification, and our products have obtained TUV-IEC, CE and ISO certification.

Q:What is the sample quantity of coke moisture test? What is the test time? How many degrees? That is the national standard.: Three, instrument and equipment of drying box: with automatic temperature adjusting device, can maintain the temperature of 170 DEG C and 105 a 180 a 110 C, the tray is made from galvanized sheet iron or aluminium sheet, size is about 300mm x 200mm X 20mm. The glass weighing bottles: diameter 40mm, high 25mm, and a grinding cover tightly. Dryer: inside the color of silica gel or granular anhydrous calcium chloride

Q:Coke belongs to the coal industry: 11 other mining industry 28 chemical fiber manufacturing 58 warehousing industryC manufacturing 29 rubber products 59 postal industry13 agricultural and sideline products processing industry 30 plastic products G information transmission, computer services and software industry31 grain grinding of non metallic products 60 telecommunications and other information transmission services 13101320 feed 311 cement, lime and gypsum manufacturing 601 Telecommunications133 vegetable oil 312 cement and gypsum products manufacturing 6020 Internet information1340 sugar 313 brick, stone and other building materials 603 broadcast television transmission135 slaughter and meat 314 glass and glass products 604 satellite transmission136 aquatic products 315 ceramic products 61 computer services

Q:Standard grade two grade coke standard: 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%.

Q:I don't understand. With coke, then the rest of the coke, they are selling it?: 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:Coke is how to make it? What is the use?: Improving the coal preparation process is the way to expand the coking coal source and improve the quality of coke. At present, most of the coking plants in China adopt the mixed grinding process. This process can not be treated according to the different hardness of coal, so it is only suitable for the coking coal with good caking property and uniform coal quality. A new coal preparation process has three kinds: single comminution process is various, coal crushing alone first, and then according to the provisions of the proportion, then mixing; the first group grinding process, hardness of similar kinds of coal, according to the proportion of each group, were sent to the respective crushing requirements the particle size, then mixing the crushing process; is crushed to a certain degree of coal sieving, the coarse grain group screened were crushed again, so that the coarse grain group cohesiveness, inert material with high content of ground fine, avoid good bonding facies excessive grinding components.

Q:What are the national standards for grade two coke?: All of these are the main indicators, and the water is not the quality evaluation index. The other is the coke reactivity: no more than 35%; after the reaction intensity: not less than 50%

Q:What are the requirements for coke and other accounts?: 4, I personally set the password and password.5, the customer I own the bank transfer agreement, my ID card, bank debit card to the corresponding bank outlets for bank transfer procedures.6, the day of the day to accept the phone call Futures Company visit, after the successful return of T+1 days of commodity futures trading.7, the customer into the gold (silver period transfer; non bank transfer).8, customer online transactions (start trading).

Q:What kind of coke is needed for smelting special steel: What kind of coke smelting special steel need to ask the question itself is wrongThere are many kinds of special steel, different steel with different raw materials, the requirements of the quality of coke is not the sameSteel comes from iron, iron from iron ore and coke, and other additives

Q:The chemical composition of coke is m10.m25: 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 is about 30%. The crack and porosity of coke and coking coal for the level, which has a direct relationship, such as coal based coke refining cracks, porosity, high strength, low; with coal as the foundation of the coal refining coke crack less, low porosity and high strength. The strength of coke is used to denote the crushing strength and abrasion resistance of the two indicators.

Q:Do not understand why some of the indicators of coke is the cause of the full analysis of phosphorus or foundry use of this time?It is best to use the foundry requirements? Thank you: As everyone knows, sulfur and phosphorus is harmful substances in the metal, because the sulfur is out in coke processing, so this index is not required, but the phosphorus in this process has not been effectively removed, so this is the requirement of foundry process or smelting plant. Phosphorus can reduce the strength of the metal, will lead to the metal "cold crisp", so to control the phosphorus content of coke, to prevent phosphorus into the metal.

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