The Head of the Ming Dynasty Spared His Life

Two iron and steel factories have been built next to the sea, and seawater cooling drainage channels and sewage drainage channels are also being built.In addition, a road made of cement is extending from a distance to facilitate the transportation of ore, cement, steel and other heavy materials in the future.

Hu Xueyan lowered his voice and said: "Mr. Yan Ge, you secretly instructed me to study a steelmaking method with higher quality than the crucible steelmaking method, and I am also actively promoting it for weapons such as firecrackers and artillery. Only higher quality steel , in order to create higher quality muskets.”

This is another important reason why Yan Song actively develops steel.

At this time, although the soldiers of Ming Dynasty used firecrackers and artillery on a large scale, due to the backwardness of the iron and steel industry, the materials with high carbon content were not qualified, and the phenomenon of bombing often occurred.

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Chapter 468 Wilderness Survival Master - Xu Xiake! 【6】

In the database of Daming Jinyiwei, there is a data survey and statistics.

The musketeers of the Imperial Guards of the Ming Dynasty had to blow up the chamber every five shots, so that the musketeers did not dare to get close to aiming before firing, and even shot with their eyes closed, for fear that the chamber would lose their hands and eyes.

The same is true for cannons. Due to the high amount of carbon and impurities, the bore of the cannon is very fragile and it is easy to explode.A cannon barrel is a miracle if it is used a hundred times.In a fierce war, once a cannon explodes among one's own people, the blow to one's own morale will undoubtedly be huge.

This also limited the development and progress of the Ming Dynasty's armed forces, so that in the battle against the wild boar skin in the future, Da Ming equipped a high proportion of elite soldiers with firearms, and could not deal with the bows and spears of the original Manchu wild boar cavalry.

But once Yan Song broke through the technological difficulties of steel materials, the reliability and accuracy of the firecrackers and cannons immediately increased significantly!

Not to mention, the importance of steel in the future voyage.

Therefore, the steel output of modern countries in later generations is an important indicator to measure the comprehensive national strength of a country!

Now, under Yan Song's personal command, Hu Xueyan, a big arms dealer, has temporarily turned into a steel tycoon, building two steel factories in Tianjin!

In the future, after the construction of Tianjin New City Port is completed, Yan Song's plan is to build a powerful naval shipyard and cannon artillery factory on the spot!

The cannon arsenal can manufacture cannons and arm the new navy ships into terrifying sea steel behemoths with hundreds of cannons!

These two steel plants can be converted from civilian use to military use in an instant, supplying a large amount of refined steel to military shipyards.Whether it is building a British-style sailing battleship or a Spanish galleon, it is extremely convenient.

That is to say, Tianjin and Shanghai, which open to the sea, will not only be the foreign trade window of Ming Dynasty in the future, but also the military base for Ming to promote overseas colonization and expansion!

Yan Song's ambition is not only to allow foreign countries to trade, but also to allow foreign countries to watch Daming's navy grow stronger step by step, move towards the blue ocean, and colonize the world!

Technological breakthroughs such as cement and steel are out-and-out heavy weapons of a great country!

Hu Xueyan smiled: "Everyone is so far away, you can't see clearly, why don't you follow me around and take a look~"?"

Yan Song and others followed Hu Xueyan to the steel plant.

These two large iron and steel plants, which are the most advanced in the world today and will lead the world for at least 300 years in the future, are being rapidly formed under the intense construction of tens of thousands of steel workers.

Some people questioned that it would take more than a year for a modern steel plant to go from design to construction at the earliest, and it could only be done with the help of modern engineering machinery. How could it be possible to complete the construction in a short period of time at this time?

The answer is that the iron and steel plant at this time had a very simple process and did not require complicated design and construction at all.

The crucible steelmaking method, to put it bluntly, is the "indigenous steelmaking method" of the Great Leap Forward era.

As long as there is enough space, dig out a sufficiently closed and deep steelmaking pit, throw pig iron, coke, lime, etc. into it, and heat it to a high enough temperature (1200 degrees), then the impurities in the pig iron can be replaced. When the impurities are reduced to less than 0.5%-2%, high-quality steel can be produced.

This is also Yan Song's foresight. If you are too far-sighted, you can only achieve nothing. It is already very advanced and amazing to produce enough output and relatively high-quality steel.

Seeing the earthen cave dwellings where steel was fired, the construction was completed, and the earth holes were dug out underneath, which looked like the kangs that were burned in winter in the north, Hai Rui laughed: "No matter how you look at it, it looks like a method of burning fires, burning kangs to keep warm. .”

Hu Xueyan nodded and said: "This method is actually very simple. As long as the bottom is heated to a high enough temperature and the cave is completely sealed, pig iron can be fired into steel."

Yan Song asked: "What kind of fuel do you use? Ordinary firewood can't reach such a high temperature?"

He knew that the "big iron and steel smelting" that will cause great harm in the future, in fact, what is smelted is not steel, but mostly pig iron, because the temperature is not up to standard!

In ordinary places, only firewood can be chopped and charcoal is used to burn steel. The temperature cannot reach the required high temperature of 1200 degrees.

Hu Xueyan shook his head slightly, nodded and said, "I was too worried at first, thanks to someone I met! Help me guide me, and I found this one!"

Satisfied, he took out a tightly sealed earthen jar.

Yan Song took the earthen jar, gently lifted the lid, and smelled a pungent smell.

He turned pale with shock, and exulted in his heart: ".〃Oil? Where did you find this? This is a treasure!"

Hai Rui prides himself on his knowledge, but today he listened to one term after another, and expressed dissatisfaction in his heart, and took the oil, and suddenly remembered: "Could it be that this oil was named by Shen Kuo for the first time in "Meng Xi Bi Tan" in the Northern Song Dynasty? "

"Yes!" Hu Xueyan said excitedly, "It was mentioned in Shen Kuo's "Mengxi Bi Tan"! Thanks to someone's help, I found this thing in nearby Shandong."

"Who?" Yan Song's heart moved. He originally wanted to remind Hu Xueyan to go to the northwest to find oil to increase the temperature of steelmaking and produce higher quality, but he did not expect that Hu Xueyan had already found a solution. Could it be that person?

Hu Xueyan smiled, bowed and said, "Mr. Zhenzhi! Please come out!"

Yan Song was shocked.

Vibration?

Xu Zhenzhi?

If this name is a bit unfamiliar to you, then you must have heard of his tuba (Qian Dede), it's like thunder!

Xu Xiake!

The famous Xu Xiake!

During the Jiajing period of the Ming Dynasty, the most famous geographer, Xu Xiake!

Xu Xiake, named Hongzu, styled Zhenzhi, nicknamed Xiake, was born in Jiangyin, South Zhili.A geographer, traveler and writer in the Ming Dynasty, he wrote the 30-character geography masterpiece "Xu Xiake's Travel Notes" after 60 years of investigation, known as "a strange man through the ages".Xu Xiake's life has been in all directions, and his footprints have covered 21 provinces, municipalities, and autonomous regions today. Various phenomena, humanities, geography, flora and fauna and other conditions.

In the future and modern times, Beiye Survival in the Wilderness and Feilu live broadcast singled out the wilderness, compared with Xu Xiake, they are simply weak!

Xu Xiake is the master of survival in the wilderness!