mohammad ali qaimi , sed and broadcasting news agency. specialists of a company scientists solved one of the challenges of steel production and foundry by producing an automatic granulator. as the parent industry, the steel industry plays an important role in the reconstruction and creation of the country's infrastructure. a company of scientists based in the science and technology park of tehran university has tried to solve the challenges facing this industry. it is necessary to inject granule powder manually on the mold in the stages of making steel for slab ingots. this work requires the operator to be stationed at the foot of the mold and do a good, dangerous, and difficult job. the challenge was that the steel wanting this work to be done automatically by a system device, the automatic device has special privileges compared to the previous generation device . 400 tons reduces the consumption of agran per year . another challenge is the weighing part, which is imported and has faced problems due to the ban on its import . whether it