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Usually we use coal as fuel to get heat in the process of combustion
- Usually we use coal as fuel to get heat in the process of combustion, but many harmful substances are discharged into the environment at the same time as waste. By referring to the information and refer to the schematic, please write in order to save resources, reduce waste, how should we make full use of coal?Urgently ahThe sketch map of which include: rubber, explosives, essence, nylon, coke, liquefied gas, gas......Thank you pulls
Larch wood which do machine-made charcoal
- Then, look at the grain. Some furniture surface will appear uneven grain, but look carefully, whether with steel wire brush hard wipe out, whether with the original wood grain to get up. There is a kind of unnatural feeling in the hard rubbing wood.Mahogany furniture selection techniques1, clear the scope of GB mahogany. According to the definition of national standards, the scope of national mahogany five genera are included in the eight category. Five genera: Pterocarpus, Dalbergia, Diospyros, Millettia, tiedaomu.2, identify mahogany furniture. Choose from the appearance of mahogany furniture, how to appreciate its overall shape, whether the symmetry of its sculpture and workmanship, is fine, smooth, white skin is too much, is useless to cover part of the painted white traces, the assembly method, whether used are a tenon structure, in the fabrication of mahogany furniture in this method is inherited, is a fine tradition of performance.s
Types of coal and how
- Types of coalAccording to the classification Chinese coal, coal volatile, all coal is divided into lignite, bituminous coal and anthracite; for lignite and anthracite, respectively according to the characteristics of the degree of coalification and industrial use is divided into 2 and 3 categories; four stages, according to the >10%~20% bituminous coal volatiles >20%~28%, 28%~37 and >37% divided into low, medium, high and high volatile bituminous coal. As for the caking property of bituminous coal, it is distinguished by the bond index G: 0~5 is non caking and slightly caking coal; >5~20 is weakly caking coal; >20~50 is medium weak caking coal; >50~65 is moderately strong caking coal; >65 is strong caking coal. For the strong caking coal, and the plastic layer maximum thickness of Y>25mm or b>150% (for Vdaf>28% AoYa dilatation of bituminous coal, b>220% coal) into strong caking coal. In the name of coal type, taking into account the continuity of the new classification, still retain the gas coal, coking coal, lean coal, lean coal and weakly caking coal, non caking coal and long flame coal 8 coal.s
What is the difference between bamboo charcoal and carbon
- Bamboo charcoal has a similar function with the long carbon preparation, but its efficacy and differences have similarities and differences, can not replace the senior carbons
Which industries, enterprises need to use coal
- Once again, the iron and steel plant, Thermotics Inc, cement plant, coking plant, metallurgical plant and large-scale catering establishments.s
Trouble who told me the coal index of English code
- Air dried base volatile (Vad), dry base volatile matter (Vd), dry ash free volatile matter (Vdaf) and base volatile (Var).Air dried base ash (Aad), dry base ash (Ad), received base ash (Aar).Air dried base all sulfur (St, AD), dry base full sulfur (St.d) and received base sulfur (St, AR).s
What are the varieties of coal?
- Category: coal is divided into major categories according to the degree of coalification and process performance.Category: a further subdivision of the categories according to the nature and purpose of the coal.s
Why is coal spontaneous combustion?
- Coal heap in contact with air oxidation occurs, and emit heat. Coal oxidation reaction occurs after the coal pile temperature increases. The coal temperature increases, and the speed of coal oxidation was accelerated. In this way, the temperature makes the coal pile increasing. When the temperature exceeds the coal self ignition when will the spontaneous combustions
the introduction of biogas power plant
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