The cobalt hydroxide obtained by the second precipitation of cobalt contains about 50% of water, is blended with a small amount of petroleum coke, and is sintered into a porous cobalt oxide agglomerate in a reverberatory furnace, and then with a desulfurizing agent CaO, a reducing agent (petroleum coke) and a slag forming agent SiO 2 . charged with an electric furnace smelting at high temperature, reduction and interpolation wet wood stirring, the cobalt oxide is reduced to cobalt metal, and removing impurities, casting cobalt-containing more than 95% of the crude cobalt anode plate, for cobalt electrowinning Refined. There are three purposes for the reverberatory furnace calcination: (1) dehydrating and decomposing cobalt hydroxide, converting it into cobalt oxide, and sintering into a porous agglomerate; (2) adding petroleum coke to semi-reducing cobalt oxide; (3) Removal of some sulfur. Reverberatory furnace available coal, coal gas, liquefied petroleum gas, natural gas or heavy oil as fuel. Jinchuan Company uses heavy oil as fuel and uses low-pressure nozzles, which has the characteristics of low energy consumption and good atomization. The feed ratio is petroleum coke: water = 100:8, and is uniformly stirred in a mixer together with cobalt hydroxide, and then added to the furnace, and the furnace temperature is controlled at 1000 to 1100 °C. The cobalt oxide produced by the reverberatory furnace contains about 76% cobalt. According to the required ratio: cobalt oxide: petroleum coke: limestone = 100: (8 ~ 9): (5 ~ 7), the ingredients are put into the electric furnace, and the surface of the material is paved with a small amount of coarse Cobalt residue to facilitate arc smelting. After the charge is melted, the temperature of the furnace is controlled at 1550 to 1650 ° C, and the slag and slag are operated to be heated and cast into an anode plate. Jinchuan's anode plate specifications are 530mm × 230mm × 40mm. The chemical composition of the crude cobalt anode plate is Co>95%, Ni<0.45%, Cu<0.65%, Fe<1%, Pb<0.003%, Zn<0.002%, S<0.6%, C<0.05%.
Disposable
mesh material: to pull galvanized iron wire.
Disposable
mesh edge material: tin plate (also known as tinplate).
Barbecue
grill wire mesh materials: medium carbon steel wire, 304 stainless steel.
Process:
separate flower weaving, ginning weaving, argon arc welding and so on.
Surface
treatment: galvanizing, electrolysis, polishing, etc.
Features:
high temperature resistance, no deformation, no rust, non-toxic and tasteless,
easy to use.
Uses:
mainly used in restaurants, barbecue shops, picnic, camping, military, tourism
and other activities of pasta, meat, fish barbecue, steaming, smoking, deep
baking enthusiasts favor.
1:
when the charcoal fire just lit, you should not barbecue immediately, do not
think that the fire is very hot event works, directly with open fire barbecue
food, will produce a variety of harmful substances to human body, will bake the
food black, this point we should pay attention to later.
2,Do
not eat too much meat when eating barbecue, should properly eat some
vegetables, fruits, meat is very indigestible food, if the stomach is full of
meat, it will increase the difficulty of digestion, serious will cause
permanent damage to the stomach, the next time to eat barbecue should pay
attention to it.
3:
when using barbecue grill wire mesh to bake food, do not dip too much
seasoning, seasoning too much will have a bad effect on the body, too much
seasoning also leads to food taste distortion, resulting in unable to taste the
original food, and everything tastes the same , then you can try barbecue next
time.
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