69novels Chapter 194 Steelmaking Technology
Chapter 194 Steelmaking Technology
"Steelmaking?" Secretary Zhang was stunned at first, then nodded in understanding, "There's nothing wrong with learning more."
Secretary Zhang took out a bunch of keys from the drawer and handed them to Li Yang with a smile.
"Here is the key to the library, take it! It should contain all the necessary information.
Oh, by the way, I remember putting the books on steelmaking on the west shelf on the second floor. You should look for them carefully.
Li Yang was overjoyed, thanked him repeatedly, took the key and left.
When you arrive at the library, what catches your eye are rows of tall bookshelves and neatly arranged books of all kinds.
If you take a closer look, you will see a dazzling array of items that cover everything.
From metallurgical principles to metallography, from steelmaking technology to physical and chemical testing...
All aspects of steelmaking are covered.
Li Yang was overjoyed and walked excitedly around the bookshelf, searching for the information he needed.
Sure enough, on the west side of the second floor, he found several bookshelves dedicated to steelmaking books.
From "Principles and Practice of Converter Steelmaking" to "Iron-Carbon Alloy Phase Diagram and Application",
From "100 Questions on Open-Heat Steelmaking" to "Alloy Steel Smelting Technology"...
There are so many books to choose from.
Among them, there are classic works left over from previous dynasties, as well as cutting-edge theories of the contemporary steel industry;
There are textbooks written by experts from Mao country, as well as summaries of experiences by our counterparts.
Li Yang flipped through the pages eagerly, with pages of densely packed text and diagrams flying past his eyes quickly.
The profound knowledge flowed slowly into his brain like a trickle of water.
Before I knew it, several hours had passed.
When Li Yang came to his senses, the sun had already set.
Looking up, the setting sun outside the window was as red as blood, dyeing the walls of the library with a layer of golden color.
Beside him, a thick pile of steelmaking materials had piled up like a mountain.
It's time!
Li Yang took a deep breath, closed the book, and fell into deep thought.
In my mind, the prompt sound of the Golden Finger system suddenly sounded:
[Ding! It is detected that the host has mastered a lot of steelmaking knowledge, and the steelmaking skill has been unlocked! Simplified to reading books and drawing pictures]
[Steelmaking skill initial level: Level 1, skill proficiency: 10%]
[Ding! The host continues to learn steelmaking knowledge, and his skill proficiency continues to improve!]
……
【20%...50%...80%...】
[Ding! Steelmaking skill has been upgraded to level 2, proficiency 100%!]
[Ding! The host has mastered advanced steelmaking technology and obtained a large number of related drawings and formulas!]
Accompanied by a series of prompt sounds, Li Yang felt a flash of inspiration in his mind, and countless steelmaking secrets appeared before him, clearly visible.
He seemed to see three-dimensional steel-making flow charts, detailed equipment design drawings, and steel ratio formulas.
This includes the technical essence of various periods, from the earliest crucible steelmaking to today's converter steelmaking and electric furnace steelmaking.
For example, the oldest crucible steelmaking originated in the Spring and Autumn Period and the Warring States Period.
The ancestors at that time had already mastered the technique of making steel using clay crucibles and blast devices.
Although the output was low and the quality was unstable, this method of smelting steel using charcoal as fuel and blasting air in a crucible pioneered human steel civilization.
Ancient books such as "The Exploitation of the Works of Nature" recorded in detail some of the smelting techniques of the time, which are still amazing today.
During the Ming and Qing dynasties, steel production increased rapidly due to strong demand for fertilizers.
Some new steelmaking methods came into being.
For example, based on the traditional crucible steelmaking, wrought iron furnace, armchair furnace, etc. were derived, laying the foundation for blast furnace ironmaking in later generations.
The representative work of this period is Song Yingxing's "Tiangong Kaiwu".
The book not only describes in detail the smelting process such as charcoal burning, casting, forging, etc., but also comes with a large number of vivid illustrations.
This was a landmark achievement at the time and a monument in the history of Chinese metallurgy.
Later, at the end of the Qing Dynasty and the beginning of the Republic of China, the wave of industrialization from the West spread to flower growing.
A number of advanced steelmaking technologies also landed here.
The first to be affected were a series of new equipment such as roasters and converters introduced from John Bull.
The roasting furnace is used to reduce iron ore into iron, providing raw materials for blast furnace ironmaking.
The converter is fed with compressed air and uses the heat released by the combustion of impurities such as C and Si in the molten iron to make steel.
These two revolutionary technical equipment greatly improved steelmaking efficiency and laid a solid foundation for the development of modern steel industry.
The Hanyang Iron Works, which emerged during the Republic of China period, was the first to introduce these equipment and became the largest and most technologically advanced steel conglomerate in Asia at the time.
After the establishment of the New China, with the development of socialist construction, steelmaking technology made further rapid progress.
Take the steel company built with Russian aid as an example. They introduced the most advanced converter steelmaking process in the world at that time.
……
In addition, there is the latest top and bottom blown converter technology.
It uses a combination of top-blowing oxygen and bottom-blowing inert gas to complete the smelting of hundreds of tons of molten steel in a very short time.
At the same time, the supporting processes such as off-furnace refining and electroslag remelting have greatly improved the purity and quality of steel.
It can be said that the top and bottom blown converter opened a new era of industry and is a monument in the history of industry.
In addition, the advanced steelmaking processes that emerged during this period include molten iron pretreatment, ladle deoxidation, vacuum smelting, etc.
Here, a series of relevant technical details and process diagrams also emerged in Li Yang's mind:
In converter steelmaking, top and bottom combined blowing is usually used to increase the decarburization rate.
That is, high-purity oxygen is blown into the furnace top with an oxygen gun, and argon is introduced into the furnace bottom at the same time, and the two form a closed blast circuit.
In this way, top-blown oxygen can quickly oxidize impurities such as C and Si in the molten iron, while bottom-blown argon plays a role in stirring and homogenizing the components of the molten steel.
The combination of the two phases is like the fusion of water and fire, which can instantly ignite the molten iron and release amazing energy.
At the same time, during the converter steelmaking process, temperature measurement and sampling must be carried out in a timely manner, and the composition must be adjusted based on the inspection and test results.
This requires the use of a series of precision instruments such as the furnace temperature measuring rod, converter distributor, sampling gun, etc.
They are like the eyes and arms of the converter, constantly monitoring the state of the molten steel and regulating the smelting process at any time.
In this way, after just over ten minutes of blowing, a furnace of hundreds of tons of high-quality molten steel can be presented before your eyes as if it has been reborn.
At this moment, Li Yang seemed to be on the front line of steel smelting.
Thick smoke billowed, sparks flew, and hot air waves hit our faces.
The molten iron roared and rolled in the converter, and the high-temperature molten steel splashed everywhere.
In the flickering flames, pairs of determined eyes like warriors are staring at every detail intently, capturing every critical moment...
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