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The basic situation of coal occurrence in coal mining area
- 1.1 coal seam corner coal occurrenceIn recent years, the large-scale mechanized production mode and formal mining layoutThe utility model causes the existing production area to leave the side angle residual block section and various small coal pillarsAngle coal ats
What can coal do? Where do you come from?
- The use of coal is very extensive, according to the purpose of its use for two main purposes: (1) power coal, (2) coking coals
Coking plant? In addition to the processing of raw coal? Thank you
- Characteristics of mineral raw materials(1) physical properties of coalThe physical property of coal is the external manifestation of certain chemical composition and molecular structure of coal. It is determined by the factors such as the original material and its accumulation conditions, the conversion process, the degree of coalification and the degree of wind and oxidation. Including color, gloss, pink, specific gravity and bulk density, hardness, brittleness, fracture and conductivity, etc.. Among them, in addition to the specific gravity and conductivity need to be measured in the laboratory, the other can be determined according to the naked eye observation. The physical properties of coal can be used as the basis for the preliminary evaluation of coal quality, and it is used to study the cause of formation and metamorphism of coal.1 colorRefers to the natural color of the surface of fresh coal, coal is the result of different wavelengths of light absorption. Brown - black, generally with the increase of the degree of coalification and gradually deepened.s
Which industries, enterprises need to use coal
- With large coal, the first is the power company, power plant coal up to!Followed by large chemical enterprises,s
How long the activated carbon tank. It will fail, there will be any fault
- . When the engine is running, the electronic control unit is used to control the on-off of the electromagnetic valve of the active carbon canister, and the fuel oil is sucked into the intake port of the engine by the vacuum degree in the air inlet pipe. The use of fuel vapor control can reduce the amount of hydrocarbons in the atmosphere and fuel saving.s
How to distinguish the mechanism of charcoal is good or bad?
- 2 volatile matter content, depending on the carbonization temperature. According to different uses, we can burn low, medium temperature carbon, also can burn high temperature carbon. In the high temperature calcination release of CO, CO2, H2, CH4 and other volatile gaseous carbohydrate, its content is generally 12 to 20%. High temperature carbon released by the above volatile less, its content is generally less than 5%.s
The principle and function of economizer recycle?
- Economizer recycling is the bottom of the drum and economizer inlet pipe is equipped with a recycling pipe, it works: in the initial stage of the boiler ignition or shutdown process, because the water can not continue to stop when the water supply,s
Bamboo charcoal bag placed in the room
- If you want to live in as soon as possible, there are several methods to help: 1 to half a catty Black Tea soaked with boiling water, the water drained, Black Tea will put a pot (that is, table container area comparison), placed in the room, or directly on the furniture inside, the surface of tea has strong adsorption capacity, can absorb indoor harmful gas as the size of the room, can get many pots. Place more than 24 hours, there will be significant improvement. More than and 2 some green plants, such as Chlorophytum, Sansevieria, ivy, also have the effects
Different Types of Solar Panels
- What are they, how to tell them apart?In previous articles around solar energy we have noted there are at least 3 main manufacturing processes for producing solar panels. If you ar...
How to choose good solar panels for houses
- Maximum power Pmax of solar panels for houses open circuit voltage x short-circuit current, which is their ideal power, while the usual measure of solar cells is the rated power of...
Inspection and maintenance of cheap solar cells
- 1, check the cheap solar cells to ensure that if it is damaged, to achieve timely detection, timely replacement.2, check the connection line of cheap solar cells and ground wire wh...
A brief introduction to the types of biofuels
- Biofuel refers to solid, liquid or gaseous fuels from biomass composition or extraction can be replaced by the oil to produce gasoline and diesel is an important direction of the d...
Solar Cells? What Use are they?
- Ok, so you are probably thinking, solar cells, what's all the fuss about, they are used to make soar panels mounted on houses to help save electricity right?Right, they are, th...