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Boiler research is not simple, and it is not just a matter of having materials. Since the steam engine needs to dry hot gas, it is also necessary to set up a drying bag, first cool to remove the moisture in the steam, and then have an overheater design to reheat the cooled steam, which is not simple.

There is no need to worry about the pressure, there is an external plug-in, and the design of the pressure gauge is not a big problem.

What worries Jiang Xingchen the most is how to inject water into the high-pressure boiler, the steam locomotives in the previous life used water pumps or water injectors, he didn't know this, he couldn't boil the boiler water and turn it off, it would be too inefficient.

In the end, Jiang Xingchen decided to build a water tower, this water tower must be large, usually use a water wheel to store water in it, and then force it into the boiler with the gravity of the water itself, anyway, it is not used for steam locomotives now, and there is no need to move.

Although this method is theoretically possible, it is not clear whether it can be used in practice.

And when Jiang Xingchen was busy here, Xu Yue, who came from Dafu, came to the door in a hurry.

"What's wrong, what's wrong?" Jiang Xingchen scratched his head a little when he saw Xu Yue's appearance, no matter what happened, he would definitely have to delay again this time.

"I received news that many cotton and linen producing areas in the Qiankun Empire have been booked out next year!" Xu Yue said with a frown.

"Reservations?" Jiang Xingchen also felt a little surprised, it was only a few months, and he booked for next year.

"This shouldn't affect Dafu!" Jiang Xingchen said immediately. In the past two years, Dafulai has developed rapidly, and has its own weaving workshop to supply ready-to-wear shops. There are also permanent partners.

Xu Yue said: "I didn't care at first, Dafulai has been cooperating well with several producing areas that supply us! The output of cotton and linen is low, and our inventory is insufficient, so we must increase the number of purchases! So I inquired about it......

"The result?" Jiang Xingchen's eyes narrowed.

"As a result, people from cotton and linen producing areas said that they had already booked it out. What I didn't expect was that the origins that have cooperated with us in the past two years have also carried our ......"

"Didn't you sign a contract with those origins before?" Jiang Xingchen said.

"We also want to sign it, but people don't sign it! Hemp is easy to say, but the output of cotton is small, and the price fluctuates greatly every year!" Xu Yue shook his head.

"So what about this time, I don't know how much production will be next year, the market price. Why did they book out?"

"Those who buy say that no matter what the market price is, he will buy it at half a percent price above the market price, and he will buy as much as he wants!" Xu Yue said.

Jiang Xingchen wondered, who has nothing to do to buy cotton and linen everywhere, except for large garment shops or textile workshops...... Available in the Qiankun Empire. Daifuku is the largest ready-to-wear store!

"Who is buying cotton and linen, have you inquired?" Jiang Xingchen asked.

"People who are not from the Qiankun Empire are all big trading houses from the four kingdoms, and their reputation and reputation are guaranteed. Xu Yue said.

"What are they buying a lot of cotton and linen for? Could it be that the garment shops of the Four Kingdoms are aimed at Da Fulai. Want to enter the Imperial market...... It's impossible, the cost of buying cotton and linen at a high price is rising, how to impact the imperial market. Do they really think that they can buy cotton and linen by raising the price......" Jiang Xingchen was puzzled.

Xu Yue shook his head and said, "I also think it's impossible, they don't just buy cotton and linen in the Qiankun Empire. Even the Eight Great Kingdoms and Xuanyuan Heavenly Sect had acquisitions, and on the one hand, such a large-scale operation cost a huge amount, and on the other hand, they did not have such a large production capacity. It's all spun out...... If it's against us, it's a thankless effort!"

"So what are they doing this for? Is it just to drive up prices? Disrupting the market...... Is it completely harmful to others and not to himself!" Jiang Xingchen was very unhappy.

"In any case, we can't let them buy cotton and linen. There is no way to do it if the cost rises, if there are no raw materials, it is really troublesome......" Xu Yue took a breath and said: "I came to find the lord this time, just to tell you, we also have to buy raw materials at a high price!"

"Okay, buy, you just let it go, none of us are afraid of fighting for funds!" Jiang Xingchen waved his hand very domineeringly. Although there are a lot of places to spend money in the territory now, he has plum blossom petals in his hands and demon beast meat, and he is really not afraid of fighting with others for money.

"Okay, sir, then I'll go and settle with the cotton and linen production area!" Xu Yue said and stood up.

"Wait a while!" Jiang Xingchen stopped Xu Yue, went to the back room and took out a few drawings and handed them to him: "Since the cost has risen, let's add a few more new models!" and then tell Mengyue how hard they will work!"

"Oh!" Xu Yue took the drawings, sighed at Lord Jiang's whimsy, and left in a hurry.

Jiang Xingchen watched Xu Yue leave, and muttered, "It seems that we have to find a place to grow cotton and linen crops......

With a sigh, Jiang Xingchen stood up and prepared to return to the research institute to continue his work. Suddenly, a private soldier ran over, bowed down and said, "Lord Jiang, the emperor's letter!"

"Hmm!" Jiang Xingchen was stunned for a moment, the emperor personally sent a letter, this is a rare thing, there must be a problem.

Jiang Xingchen took it, opened it to watch, and his brows furrowed suddenly.

The content of the emperor's letter is the four kingdoms of Moon Shadow, Da Chen, Da Li, and Da Qin, and many water drains suddenly appeared among the people...... Ask if he sent it out.

The Great Emperor didn't have a questioning tone, but this suspicion made Jiang Xingchen very awkward. Now that the technology of the hydro blower has been handed over to the Empire, how can I still spread it. The grenade is much more popular than the water-powered windmill, but I don't give it any good relationship with me!

Immediately, when he thought about it, Jiang Xingchen was relieved again, and if he put himself in the position of the emperor, he would have such doubts. After all, things are designed by themselves, and they have a certain relationship with each country.

Shaking his head, Jiang Xingchen was about to reply to the emperor. As soon as I picked up the pen, I suddenly had a flash of inspiration. Just now, Xu Yue said that the trading houses on the side of the Four Kingdoms deliberately raised the price of raw materials, and he had always wondered about the other party's purpose. Now he knows.

"It turned out that there was water drainage technology...... I said they bought cotton and linen! How clever they were to use this technology in weaving...... There was a big drought this year. A large number of craftsmen have seen the structure of hydraulic blowers, and the technology is not new!"

Thoughts are spinning in my head. Jiang Xingchen stopped, and after a moment, he smiled slightly. Picked up a pen and paper, brushed a little bit, and wrote a reply to the emperor......

At the same time, in the imperial palace, the emperor was so angry. The technology of hydraulic blowers has always been in the hands of the state, even in the major territories, ordinary people are not allowed to approach, and only the production of the national army is supplied. For this technique, he gave Jiang Xingchen a promotion of the title and expansion of the territory.

But now, such an important technology is spread everywhere. He also doubted Jiang Xingchen, but regretted it after the letter was written. Jiang Xingchen has too many techniques in his hands, so why would he pass this on. Paper. Cement, grenades, which are not worth more than water drains.

"If I find out who did it, I'll skin him!" said the Emperor, gritting his teeth.

Taking a deep breath, the Emperor asked, "Marshal, old marquis, haven't they come back yet?"

"Not yet!" a black-clothed subordinate at the door immediately came out and bowed.

"They really can, they usually have nothing to do, so idle. There are also Wu Tianfeng, Wei Ning, and them...... Look at them one by one, you don't want to have a face for the sake of genius, and Jiang Xingchen didn't invite you to ......."

A few sentences fell. The emperor asked again: "Second prince ......" As soon as he finished speaking, he reacted, and this goods also went to Xingchen to get it.

"These souls are weak!" the emperor was so angry that he couldn't help but scold......

When the emperor was so angry that he couldn't do it. Far away on Chongming Island, the son of the An family and the shopkeeper Wu were laughing.

"Shizi. Gao Ming! It's really clever, the water drain is built. The first thing those clothing merchants do is to go to various places to buy cotton and linen!" said the shopkeeper Wu.

"The power of water drainage can greatly improve productivity, and those businessmen are not stupid, of course they know how to use it! When water drainage technology is released, it is the Qiankun Empire that will be hit the most...... Now it's just the garment industry, and in the future there will be a smelting industry, and when the wind and rain are good, even the grain industry will be impacted!" said An Jiashizi.

Shopkeeper Wu hesitated for a moment and asked, "Shizi, what if the Qiankun Empire also lets go of the water drainage technology!"

"What about letting go, the water resources of the Qiankun Empire are far less abundant than those of the Four Kingdoms! If the productive forces develop, the demand for resources will also be more, and it will even lead to the Eight Kingdoms...... This will make the relationship between them more complicated! This is very powerful for our final plan!"

"Hahahaha......" Shopkeeper Wu laughed and said, "I don't know what Jiang Xingchen will do when he learns about it, Da Fu is the industry below him, but now he is being squeezed out by the water he designed!"

"Hmph!" Hearing Jiang Xingchen's name, the son of the An family let out a sneer......

The water drain was promoted in the four kingdoms, and the clothing merchants were extremely happy one by one. Water drainage power textiles not only represent an increase in production, but also a decrease in costs. They have learned the style of Dafulai, and once they have a price advantage, they will be able to enter the big market of the Qiankun Empire.

They were happy, but the Moon Shadow Emperor was apprehensive in his heart, and he was entangled left and right.

The water row is a secret of the Qiankun Empire, or was it designed by Jiang Xingchen, and when he first appeared in the Moon Shadow Kingdom, his first reaction was that someone wanted to frame Moon Shadow.

Although the four kingdoms later appeared in the water drain, this matter obviously has nothing to do with Moon Shadow, but who knows if Emperor Qiankun and Jiang Xingchen will have a pimple in their hearts.

It is also impossible to stop the construction of the water drain, almost all the garment merchants are building the water drain, and more nobles are implicated in the back. In addition, from his heart, he is also a little reluctant. It can be said that he is now in a dilemma.

In fact, it is not only him, but also several other major kingdoms are in the same situation, worried that the Qiankun Empire will pursue it. But they are reluctant to give up the promotion of water drainage.

And at this time, Jiang Xingchen's reply came to the hands of Emperor Qiankun. (The novel "New Wind Territory" will have more fresh content on the official WeChat platform, and there will be a 100% lottery gift for everyone! Open WeChat now, click on the "+" sign in the upper right corner "Add Friends", search for the official account "qdread" and follow, hurry up!) (To be continued......)