coal natural graphite powder

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Professional Manufacturer,exporter of Calcined Anthracite Coal;
High quality with best price.

Calcined Anthracite Coal


• Calcined Anthracite Coal Feature:

All of our goods are made in the best quality with high carbon, low ash, low Sulphur, low moisture.



• Calcined Anthracite Coal Application:

Calcined anthracite coal/gas calcined anthracite coal/carbon raiser is mainly used in steelmaking in electrical stove, screening water, shipbuilding sandblast to remove rust. It can reduce the cost of steelmaking effectively by replacing the traditional petroleum coke of carburant. Also, it can improve the carbon content in steel melting and ductile iron foundry.


• Calcined Anthracite Coal Specifications:

Item

Fixed Carbon

%(min)

Ash

%(max)

Sulphur

%(max)

Moisture

%(max)

Volatile

%(max)

FQ-95

95

4.5

0.25

0.3

1.0

FQ-94

94

5.0

0.25

0.3

1.0

FQ-93

93

6.5

0.30

0.5

1.2

FQ-92

92

7.0

0.30

1.0

1.2

FQ-90

90

8.5

0.35

1.0

1.5

Size: 0.5-3mm, 1-4mm, 0.5-4mm, 1-3mm or as   customers’ requests.



• Calcined Anthracite Coal Package:

In 25kgs or 50kgs small bag of single packing;

Or small bags onto pallet or Jumbo bag;

Or as customers’ requests.


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Q:How to test coal
1, the moisture of coalThe water content of coal is an auxiliary index in coal pricing.The moisture of coal directly affects the use, transportation and storage of coal. With the increase of the water content of coal, the useful component in coal is relatively reduced, and the water is changed into steam when it is burnt to absorb heat, thus reducing the calorific value of coal. The increase in the moisture content of the coal, but also increased the invalid transport, and bring difficulties to the unloading. The characteristics of winter cold area, often frozen car, truck production influence, influence effect, wagon turnover, exacerbated by transport stress.The coal moisture is also easy to cause the coal to stick the storehouse and reduces the coal bunker capacity, even has the storehouse accident.With the increase of mining depth, the development of mining mechanization and the strengthening of underground safety production, as well as the implementation of measures such as spraying water, coal seam water injection and comprehensive dust prevention, the water content of raw coal is increasing. To this end, in addition to all aspects of coal mining, coal mining in design and in the process of mining excavation, ventilation and transportation for reducing coal moisture measures, measures should also be taken in the ground processing of coal to reduce the moisture content of coal.
Q:There are several categories of coal sampling machine
Peat flammability, easy combustion, strong reactivity, low sulfur content, low ash melting point, but lower mechanical strength. Therefore, the use of peat is not high value in industry, it is not suitable for long distance transportation, generally only as a local fuel use. Areas located in the southwest provinces and Zhejiang (West Lake coal).In June 2009, the State Administration of Quality Supervision Inspection and quarantine and the National Standardization Management Committee jointly issued the "national standard" classification of coal Chinese (GB/T 5751-2009), on the basis of dry ash free volatile Vdaf, dry ash free hydrogen bond index G, Hdaf, Y, glial layer maximum thickness of Oaxaca expansion degree B, low rank coal light the rate of P, and ash free calorific value Qgr, MAF 7 classification index, coal will be divided into 14 categories. The lignite, long flame coal, non caking coal and weakly caking coal, 1/ 2caking coal, gas coal, gas coal and 1/3 coking coal, coking coal, lean coal, lean coal, lean coal and anthracite.According to the different classification of the rock structure, can be divided into candle coal, silk carbon, dark coal, bright coal and mirror coal. Contains more than 95% vitrinite for coal, coal surface light, solid structure, containing vitrinite and light for plastid clarain, containing coarse body as dark as coal, with silk silk carbon, formed by many microspores formed for the microsomal cannel.
Q:How much is a kilo of charcoal?
Mainly depends on how much you need a!If you need a few, a few pounds on it, you can go to the supermarket to buy,
Q:The effect of the dosage of activated carbon on the determination of adsorption equilibrium concentration
, research and production. Commissioned by the client, research and development of special activated carbon, activated carbon technology for the experimental study
Q:What is the mineral composition of coal?
Hydrogen in coalHydrogen is the second important component of coal. In addition to organic hydrogen, there is also a small amount of inorganic hydrogen in coal minerals. It is mainly present in the crystallization of mineral water, such as kaolin (Al203 / 2Si02, 2H2O), gypsum (CaS04 / 2H20) and other crystalline water. In the whole process of coal metamorphism, with the deepening of coalification degree, the content of hydrogen decreases gradually, and the coal with low coalification degree has high hydrogen content. The general rule is that the hydrogen content decreases with the increase of carbon content. Especially in the anthracite phase is particularly evident. When the carbon content increases from 92% to 98%, the hydrogen content decreases from 2.1% to less than 1%. When the carbon content is between 80 and 86%, the hydrogen content is the highest. In the coal gas and coal, hydrogen content can be as high as 6.5%. When the carbon content is 65 ~ 80%, the content of hydrogen is less than 6%. However, the trend is that the hydrogen content decreases with the increase of carbon content.
Q:Coal quality test, Mt, Mad, Aad, Vad each represents what mean
The first indicator: moistureThe moisture in coal is divided into internal water, external water, crystal water and waterToo much water in the coal, is not conducive to processing, transportation and so on, combustion will affect the thermal stability and thermal conduction, coking will reduce the coke yield and extend the coking cycleNow we often report the moisture index:
Q:Anthracite is what kind of indicators?
Indicators of coal in this range are called anthracite: total water Mt (%) 4-6, dry base ash Ad (%) 10-15, dry ash free volatile Vdaf (%) 7-9,
Q:What is the composition of coal
. Sulfur, phosphorus, fluorine, chlorine and arsenic are harmful components in coal. When most of the coal burning sulfur is oxidized to sulfur dioxide (SO2), with the flue gas emissions, air pollution, harm to animal and plant growth and human health, corrosion of metal equipment; when the multi sulfur coal for metallurgical coke, but also affect the quality of coke and steel. So, the sulfur content is one of the important evaluation index of coal. The organic matter in coal at a certain temperature and under the condition of combustible gas produced by thermal decomposition, called "Volatile", it is a mixture composed of various hydrocarbons, hydrogen, carbon monoxide and other compounds
Q:The ratio of coal to cinder
General 5000kcal/kg coal ash in about 20%. If you refer to the coal cinder is the ash after the combustion of coal, that is 200kg.
Q:Use of coal gangueJust want to know what to do!
Moreover, they can also build a building materials production enterprises, the production of raw materials from the power plant production waste

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