Chapter 314

After listening to Qin Huan's explanation, the red warbler also whispered secretly and looked at the stoves and wooden shelves in the simple thatched huts. Her curiosity was not weakened, but heavier.

"Xianggong, this is a big funnel. Once the salt water is poured out, it is filtered and you can eat it?"

"It's not as simple as you think. In the middle, a university asked. It should not only be covered with a layer of straw, linen, charcoal and fine sand, but also precipitate for an hour after filtration before it can be poured into the pot to cook..."

Because the filtration process needs to be kept secret, it is surrounded by walls, and all processes are separated. Most of them are in the charge of some old and weak women and children. Qin Huan plans to send troops to garrison in the future.

"Eh, what salt is this? How is this color? And grind... "

"No, it's not salt..."

Apart from the place where salt was made, as soon as they came to the cement making area, Hong Ying hurried to a working stone mill. When she touched a little cement with her hand, she was about to put it in her mouth. Qin Huan was startled and shouted.

"Ah! Xianggong, isn't this salt? What's that? Can't you eat? " The red warbler pinched the gray black powder in her hand and asked puzzled, but she didn't dare to try again.

"Of course it's not salt, it's cement..." Qin Huan smiled and explained the function of cement to her. Then he pulled her to an experimental road paved with cement, which was about two feet long and one foot wide.

But even so, looking at the smooth and flat road, the red warbler was still shocked. Standing on it, she jumped and jumped. Finally, she pulled out her sword and split it twice before she looked excited.

"Xianggong, this cement is really amazing. Although it is not as hard as stone, it is also similar to brick. If this cement is paved on the road in the future, the carriage will not run and fly?"

"If you dare to think, do you know how much trouble it is to make 100 kg of cement? The cost is estimated to be as high as that of glutinous rice juice. "

Qin Huan lamented that although cement barely reached the practical standard, the output was extremely limited, which was more cumbersome than making salt.

First, the quicklime should be burned to mature lime, then mixed with clay and cinder in a certain proportion, ground into powder, put into an earth kiln for calcination, grind it again with a fine stone mill after burning, and finally put it into a wooden barrel and sealed with oil wax.

The most troublesome thing was to grind it into powder. Qin Huan really couldn't think of any other way besides grinding tofu with a stone mill.

A thousand large stone mills and 4000 mules and horses are pulled in turn day and night. The daily output is only 20000 kg, equivalent to about 10 tons.

This kind of output, not to mention paving roads all over the country with cement, I'm afraid it will take more than half a year to pave 100 miles.

The key is that the output of 10 tons per day consumes more than 50000 people and 4000 mules and horses, and the input and output are completely out of contrast.

Moreover, if 1000 stone mills work continuously for five or six days at most, they must be repaired by stonemasons. If a stone mill is used for six months at most, it is estimated that it will be scrapped.

The 1000 stone mills, two at the top and two at the bottom, are about one meter in diameter. It took 2000 masons a full month to chisel and carve before they were completed.

Qin Huan would never have engaged in such a large-scale project if a large number of refugees could not be resettled.

Although they only need food now, these people will certainly have to pay for it in the future. Once the money is started, the cost of cement is estimated to be more expensive than the yellowing salt.

When Hong Ying heard that the cement was more valuable than salt, she thought that she had just said that it would be used to pave the road. She immediately shrunk her neck and stopped talking.

"Hehe, but it's not impossible. As long as the process is continuously improved, it will be realized one day. Do you see the waterwheel being erected by the river?"

Qin Huan saw that she was frightened, smiled and pointed to the river in the distance.

"Xianggong, what's that for? Do you also make cement? " The red warbler said and rushed forward. At the moment, she was completely like a curious baby.

Qin Huan also knew that if he only used a stone mill to grind and a mule to pull, he would never want to pave the road with cement in his life.

Therefore, it is planned to use the produced cement to build a section of water dike on the river, about two miles long, and reduce the original ten feet wide river surface to two feet wide, which will make the water flow turbulent.

The length of two miles is enough to set up 100 water tankers, and the power of the water tankers is also quite enough, which can drive the iron cast grinding plate to grind cement.

The key is that it can grind continuously for 24 hours. Only one person needs to feed continuously on the side, and the waterwheel can also provide tap water for salt production in the distance.

"No wonder you have been urging the escort of grain in the past two months. I'm afraid there must be two or three hundred thousand people!"

Just now, her sight was blocked. When she came to the river, she looked at the tens of thousands of people working by the river, the dense heads on the mountain, and the young people pushing carts. The red warbler couldn't help sighing.

"What is this? Xichuan is twice as big as this one. " Qin Huan waved his hand. He felt that he preferred directing tens of millions of people to carry out large projects than fighting.

At this order, countless people have to sweat like rain, but they are watching the changes happening day by day. It is really a kind of enjoyment.

Here, he plans to build a chemical base. In addition to making salt and cement and glass, he will also build factories for refining alcohol flavors on the other side of the river, and other chemical things that can be produced in this era, such as concentrated sulfuric acid, which is said to have been abstracted by ancient Taoists.

In addition, there are many, but the ancients did not know how to use them. Most of them were used to die or play tricks.

Xichuan is where the heavy industrial base is located. With the military industrial base in the west of Nanyang and the light industrial base on the North Bank of Xiangyang, the temporary industrial layout has been preliminarily improved.

"Let's go. I'll show you around the place where you study these things. When these waterwheel are officially completed, I'll show you around and have a long experience."

Qin Huan saw that she wanted to go with the craftsmen and cement, and hurriedly pulled her to the other side.

When these waterwheel trucks are completed, they will not only be allowed to visit. At that time, he will organize civil and military officials, large businessmen and college boys and girls to visit, so as to change their thoughts and thinking.

Although the Ministry of Geology and mineral resources is in charge of the chemical base, the researchers of the Ministry of natural engineering exist independently. They can't get cement and glass in the house.

"Why are there so many servant girls? Did they make the cement? "

As soon as she got to the place, the red warbler looked at the little servant girls and said in surprise, because among the hundreds of craftsmen of different ages, there were more than ten little servant girls of 15 or 16 years old. How can she feel uncomfortable.

"They are only responsible for recording the formula and don't start writing." Qin Huan waved his hand and smiled bitterly at the scene.

No way. Most of these craftsmen are illiterate. I'm afraid they won't be able to burn cement until they die.

Because he has long written clearly about the raw materials and production methods of cement, it is nothing more than the proportion of various pigments, which needs repeated experiments.

Although these guys recognize the nickname and can remember it once or twice, they can remember it dozens, hundreds or even thousands of times, even people with a good memory can't remember it.

Therefore, it is necessary to record the proportion data each time to prevent repetition and facilitate analysis.

It was precisely because these dozen servant girls recorded in Arabic numerals and told these craftsmen how much clay or lime should be added next time that cement was burned in just two months.

Because 50 kilns were fired at the same time, 50 times a day, and almost a thousand times in two months, we finally found the correct ratio.

The team that studies glass soap and perfume alcohol almost matches the servant girl who is proficient in arithmetic and Arabia figures.

Because almost all of these chemical gadgets need accurate data to support than transforming processes and making machines.

That was why Qin Huan was confident that the transparent glass would be made soon, because it had been burned more than 2000 times.

Hundreds of kilns were started at the same time, and the temperature of each kiln increased little by little, adding different components of alkali, lime and even green mercury oil.

As for the temperature in the kiln, the old man who burns the kiln can only grasp it by experience. If the data are recorded clearly and accumulated to a certain extent, the blind cat will always encounter the dead mouse.

PS: (recommend a book from a book friend, "martial arts from mountain bandits". If you are interested, you can go and have a look. In addition, it may be two shifts a day this month. There are many new year's events. You also want to spend more time with your children. You don't earn money and your body is about to collapse. You don't want to end up with a mess in your children's education. Although judging from the current results, the book has collapsed, But I still want to thank those book friends who have been supporting all the time, thank you!)