Equipment
Facilities introduction
The steel manufacture factory
①Scrap yard
It is the stockyard of the iron scrap becoming the main material.
I discharge it in Kansai convertor maker, and, for an indoor yard, speed, stock ability are largest together.
I discharge it in Kansai convertor maker, and, for an indoor yard, speed, stock ability are largest together.
②Scrap combination
The scrap separates you for each kind and manages it.
I combine a scrap according to kinds to equalize quality of the steel.
③Scrap conveyance
The scrap combined according to kinds is conveyed to the electric furnace from a scrap yard with conveyance facilities.
④Dissolution
Our electric furnace is "environment-adaptive high efficiency arc furnace/eco-arc" in consideration for environment.
It is the superior for environment electric furnace which a scrap preheat device has the eco-arc to an electric furnace, and controls electricity to dissolve by preheating a scrap, and can reduce a CO2 discharge.
It is the superior for environment electric furnace which a scrap preheat device has the eco-arc to an electric furnace, and controls electricity to dissolve by preheating a scrap, and can reduce a CO2 discharge.
⑤Appearance steel
The molten steel which did dephosphorization and noborion gives molten steel from the bottom of the electric furnace.
The compound metal in coordination with a molten steel ingredient is added, too.
The compound metal in coordination with a molten steel ingredient is added, too.
⑥Refinement
The molten steel which is oxidized in an electric furnace, and was refined is moved to the ladle.
I remove desulfurization, nonmetal inter. by gas bubbling from the bottom of the ladle and make clean steel.
I equalize molten steel temperature and a molten steel ingredient by arc heating.
⑦Casting
I inject the molten steel of the ladle and the molten steel that I put it in the middle container once, and nonmetal inter. is eliminated, and it is clean to a mold and do it in hardening *hen.
⑧Billet cutting
When *hen cast consecutively becomes the predetermined length, I cut it with a Shah and do it in a billet.
⑨Billet conveyance
The billet weighs it and conveys it to the rolling mill.
Rolling mill
①Heating furnace
The heating furnace is a facility heating up from the steel manufacture process to about 1,000 degrees Celsius that is the temperature that can roll the billet which has been sent uniformly.
Our heating furnace adopts a combustion method by high-performance rijienereitibubana and is superior in energy-saving performance.
The billet advances to a rolling mill after I was extracted from a heating furnace.
②Rolling mill
I customize a heated billet in a shape according to aim through between two turning rolls while prolonging materials.
The rolling mill is divided into a rough line, a middle line, a finish line, and the stands number to pass by product size is different. In the roll of the last stands, a knob, a roll mark is carved, and it is carved a seal by a product.
③Cooling floor
The rolled product air-cools it uniformly on a cooling floor. I correct it so that a product does not turn at the same time.
④Cold Shah
I cut a product with a cold Shah to the length (3.5-12.0m 50cm pace) of the request of the customer to the prescribed number again.
⑤Inspection floor
There are not the surface defect and the curves such as wounds on an inspection floor or inspects a product after the cutting and removes it when I discover it.
⑥Buncher
After the examination for product appearance, I bind a product with a small buncher and a large buncher.
An example:
Size komusubi bunch size unity
50 D10 50 *12 bundle
12 D19 12 *10 bundle