After a few more days, several gold veins in Pichigou were completely settled. The ore was then mined by the miners who came.

Pijiagou gold mine is not a rich mine, the initial mining of ore, is actually a natural "dog head gold", each ore with a golden light. Jiang An checked the ores with his hands, which were heavy and felt very heavy.

Jiang An couldn't help laughing, and said to his cronies beside him: "Since then, my Liao Land has become richer, and I will definitely be rich in the world!" With this mega gold mine, who in the world would dare to talk to me about being rich? ”

Immediately, an order was issued: "According to the order of the Prince's Mansion, all Pijiaogou personnel and sergeants, from now on, will increase their food by 50 percent, and their food will be increased by 20 percent." ”

Then he turned to the accompanying Major General Tian Dali and the personnel of the Supervision Yuan: "General Tian, you sent a sergeant to cooperate with the personnel of the Supervision Yuan and strictly supervise the personnel entering and leaving. Guards in the mine were to conduct strict body searches to prevent anyone from taking ore and gold out. If someone is found to be carrying ore and gold out, they will be severely punished! ”

Tian Dali and everyone said in unison: "No." ”

The process and process of smelting gold ore have long been "standardized" by Xiangping College.

In the first step, the ore is crushed by a crusher (that is, an earthen grinding disc), and the initially crushed ore is crushed into fine crushed ore by several crushers;

In the second step, add water and white ash to the crushed ore, and then grind the crushed ore into slurry particles, after recovering about 70% of the natural gold particles by the mercury plate, add the beneficiation agent, send it to the cement pool and stir, so that the remaining metal minerals are attached to the foam, float to the surface of the flotation tank, and scrape out with a scraper;

The third step is to concentrate, precipitate, filter and dry into gold concentrate powder; The tailings sand after flotation is discharged with the water. The amalgamation gold recovered from the mercury plate is processed into sponge gold after mercury demalization, mixed with an appropriate amount of borax and soda into a special pot, melted into gold liquid in a coke furnace, poured into an iron container, and precipitated and cooled in layers with the difference in specific gravity.

The fourth step is to peel off the impurities of the upper layer, leaving the layer part to obtain the composite gold (containing 55~75% gold). This gold content is very high, which is already equivalent to the pure gold content of Ji Kang's previous life.

In the Beituo troops led by Bo Wang, Liu Shou, as the head of the vanguard regiment, led several soldiers on horseback and climbed a hill, and the whole vision was broadened. The earth is as blue as the sky, stretching into the distance.

Liu Shou was brave in the process of expanding northward in Liaodi, and he was promoted to the commander of the new regiment.

In a meadow under the hills, a few people in shabby sheepskin jackets, who knew at a glance that they were tribesmen, were grazing. These tribesmen, who were grazing, were shocked when they saw Liu Shou and a few of them, and several men ran towards the horses not far away, and then turned over and got on their horses, shouting while running quickly towards their tribe's residence.

For this kind of scene, Liu Shou, who went all the way north, is no stranger. Then he waved his hand backwards, and the more than 1,000 brothers of his entire regiment rushed up from under the hills, and on the hills, they were arranged in a company unit, and slowly walked down the hills.

For these tribes, the meeting will determine whether they are friends or foes. The obedient ones ordered the tribal leaders to go to the rear camp to pay homage to Admiral Bo Wang. Those who do not obey will be annihilated by the troops.

Liu Shou said to one of his heralds: "You can report to the brigade commander, and say that another tribe has been discovered." I don't know if it's friend or foe, our army is here on standby. ”

"No." When the herald received the order, he and the other two horsemen turned their horses and ran to the rear to report it.

Liu Shou ordered the rest of the troops: "The cavalry company will go with me, and the other troops will be on standby here." ”

With that, the cavalry with more than a hundred cavalry companies slowly rode down from the hills and went forward.

After a while, hundreds of people came over in a panic on the other side. A man of the head of the tribe, riding a horse in front shouted. Liu Shou didn't understand, and as a few days ago, he asked his cavalry company to stop in order to prepare for battle.

The interpreter who was equipped next to him rode to the leader of the tribe, and when he arrived in front of the leader of the tribe, he picked up the drum and shouted in the words of the tribe: "This is already the land of the powerful Liaocheng Jun in the south, and all those who are in this land must submit to the Liaocheng Lord, otherwise they will be annihilated." With this leader, you can choose whether your tribe is surrendered or died. ”

The leader's eyes widened when he heard the words of the cavalry interpreter. Look at the armor and equipment of this cavalry translator, and then look behind this translator and look at the equipment of the cavalry company.

To the interpreter he said, "Does submission mean that all our tribes should be slaves?" ”

The cavalry translator laughed and said: "We are no longer allowed to keep slaves in Liaodi, if you surrender, you are the people under the jurisdiction of the king of Liaocheng." It will give you a piece of land so that you can farm and graze. ”

"No other tribe will dare to bully you, but you may also exchange your cattle and sheep and your grain for farming, for the cloth and salt you need. And enjoy all the preferential treatment of the people of Liaodi. ”

"If you are unwilling to submit, you and your tribe will be struck and destroyed by my Liaodi army. This chief, if you choose to submit now, someone will come and register your tribesmen. ”

"Then the people of your tribe will be able to exchange your cattle and sheep for grain, cloth, and salt. But you must go to the camp of the army in our rear and pay homage to our generals. Now the choice is yours. ”

The tribal leader pondered for a while on his horse and said, "This envoy, I need to discuss with the people of our tribe and give you a reply tomorrow morning, okay?" ”

The cavalry interpreter was already very familiar with this, and knew that the possibility of this tribe surrendering was very high, so he nodded and said, "Yes, we are here to wait for your reply." Now we can give you grain, cloth, and salt in exchange for ten sheep. ”

The leader of the tribe was overjoyed, and said to the cavalry interpreter: "Honorable messenger, our tribe can give twenty lambs. ”

The cavalry interpreter, waving his hand, said to the tribal leader: "No, our army is not allowed to invade or submit to any property of our tribe." ”

With that, he rode and ran towards his own cavalry unit behind.

After listening to the words of the cavalry interpreter, all the people who came from this tribe and the leader of this tribe stood stupidly in place, stunned! Oh my God, I've never seen an army like this!

After a while, from the hill where Liu Shou's troops were stationed, a wheelbarrow carrying two woolen cloths, several bags of grain and two jars of salt came towards the people of this tribe.

When they came to the people of this tribe, the soldiers who came did not say much, put down their things, changed ten sheep and walked towards their troops. Seeing this, the people of this tribe believed the words of this cavalry translator even more.

This is the policy of the military's political and religious department, in the process of expanding to the north, with sweet dates in one hand and a big stick in the other.

By the next day, the tribe had no surprise and chose to surrender.

In the twelfth year of King Wucheng, from the end of May to the end of July, the three-way army of Liaodi to expand to the north was basically successfully completed, and the task of the northern expansion of the territory issued by the Junhou Mansion was successfully completed.

The army led by Zuo Zong on the right reached the estuary of the Heihe River and the Songhua River, and landed on the opposite big island - Sakhalin Island; The army led by Shi Yong and Wu Yangjing on the left reached the Hulun Lake basin that reached the Hailar River; The army led by Bo Wang in the middle reached the Outer Khing'an Mountains.

After the arrival of the three armies, they all chose a place to start building the city. Subsequently, these three newly built cities were named Sakhalin City, Hulun City, and Xing'an City by Ji Kang.

In the twelfth year of King Wucheng, at the end of October, before the weather cooled down, the three cities of Sakhalin City, Hulun City, and Xing'an City were built respectively.

At this point, in Ji Kang's previous life, the three provinces of Heilongjiang, Jilin and Inner Mongolia, as well as the land that originally belonged to China, such as Waixinganling and Sakhalin Island, which were invaded by foreign races, were finally included in the territory of the Central Plains Kingdom for the first time.

May to July is the time for the construction of the Pico ditch and the initial mining of ore.

By the beginning of August, the first batch of gold was produced, which was melted and processed into gold bars; By the end of August, Jiang An looked at the summary, except for copper and the silver mentioned by Junhou Jikang, that is, pure gold was as high as more than 30,000 taels, that is, more than 1.5 tons.

In this era, because there were very few silver mines in China, the currency of Ji Kang's previous life had not yet been formed. Most of the currencies used in various countries are gold and copper as currency, but Ji Kang has consciously accumulated silver.

Seeing this, Jiang An was extremely excited. After thinking about it a little in his heart, he laughed loudly and ordered the people: "Quickly send this gold to Xiangping City and give good news to the prince!" Tell the prince that starting from September, the Pijiagou gold mine will be able to produce at least two tons of gold per month; ”

Just when Jiang An reported the good news to his own prince, the war situation between Qin and Zhao in the Shangdang region had begun to change significantly.

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