Cement was a very important raw material in the construction industry. There was a huge variety of it. There were ordinary cement, special cement, special cement, and so on. Ordinary cement was the simplest and had the most variety. There were also many kinds of special cement and special cement. As long as the raw materials and manufacturing process were changed, the cement produced would be different.
Due to the limitations of raw materials and technical conditions, Ang Lee could only invent the most ordinary cement of the future. In some aspects, it was even inferior to the ordinary cement of the future. However, as long as it was cement, even if its performance was slightly worse, it was always much better than ordinary soil.
Most of the work in the limestone mine was done by hand, but the grinding step was done by machines. This was because some limestone was too hard. It was very difficult to completely crush it with a hammer. Only by using a specialized grinder could the limestone be completely ground into the required powder.
This ground powder could be directly transported to the imitating porcelain paint workshop or the cement workshop. In addition, in the latter two workshops, there were also a lot of grinding equipment. Because whether it was cement or imitating porcelain paint, they were all powdery small particles. Limestone, clay, and other materials were in blocks. Without thorough grinding and crushing, there was no way to produce products.
Clay was relatively common in the local area. The brick kiln workshop was built in the place with the best quality clay ore. Therefore, it was not difficult to obtain clay blocks. It could be directly transported to the cement workshop for grinding.
In addition, in order to improve the quality of the cement, various auxiliary materials could be added. Those that could be obtained would be added a little. Those that could not be obtained could only be left behind.
Looking at the pulverized lime powder, Ang Lee did not approach it. Instead, he left with his subordinates to prevent the lime powder from becoming dust due to people's movements. It would affect the health of himself and his subordinates, and it would also cause a small amount of powder to be wasted.
When walking, Ang Lee walked slowly. Because of the continuous transportation for many days, the road near the lime mine had a shallow layer of lime powder. If he walked too fast, it would cause dust to rise.
In order to prevent the road from accumulating more and more powder, the road had to be washed with river water every few days. If it was raining, naturally, there was no need to wash the road.
When the road was washed with river water, the washed sewage would not be directly discharged into the river. Instead, there was a special sewage river that led directly to the harbor not far away.
Although the sewage had a certain degree of harm, the sea was vast and had a very strong self-purification ability. A little pollution would not cause too much of an impact to the sea. It was negligible.
Fortunately, there was no wind today. Otherwise, a gust of wind would blow the dust on the road to people's bodies. That would be very uncomfortable.
In Ang Lee's previous life, he always had to pass by the road near the cement factory on his way home. It was simply a kind of torture because there were many cement trucks going in and out of the cement factory. Every truck would always miss a little bit of cement powder, which accumulated to a large amount. After many years, a large amount of cement powder accumulated on the road near the cement factory. Even if it was raining, it would not have much of an effect. The nearby river was also full of cement powder. At the bottom of the riverbed, there was at least a meter of cement and mud mixture, which was particularly disgusting.
Usually, people would come and go, and everyone would be able to smell the smell of cement. But if there was a windy day, it would be especially miserable. A large amount of cement powder would hit their faces, and they would be choked to the point of doubting life. Most of the time, Li An would rather take a ten-minute detour than take this road.
However, the strange thing was that this dirty road was actually the largest red-light district in the city. There were all kinds of hair and foot washing rooms everywhere. He did not know if it was because the air was too bad, which made the law enforcement unwilling to come here. Or maybe it was because there were more factories nearby, which made the source of customers rich enough. In short, there was always a large number of people engaged in dirty transactions next to the dirty road.
After getting in the car, Ang Lee continued to go to the cement factory not far away. He wanted to inspect the situation there and see the first batch of cement produced by the cement factory.
The road inside the cement factory was similar to the road in the lime mine. It was a layer of fine powder that would fly up when the wind blew.
It was because this powder was unavoidable that all the roads in the cement factory had to be made of cement. Only then could it be washed away by water. If it was made of mud, the road would be washed away by water.
"Assistant Minister Li, the first batch of cement has been produced. Do you want to take a look?"
The leader of the factory came to accompany Ang Lee to inspect the factory and said.
Ang Lee looked ahead and said, "The craftsmen are all having lunch. Let's take a look one by one in order. There's no need to rush. By the way, have you eaten?"
"Your subordinate can eat at any time," the subordinate said.
He walked in front and led the way. He pointed to the nearest workshop and said, "Assistant Minister Li, this is the grinding workshop. There are small particles in the powder sent by the lime mine. It needs to be ground again. The ones next to it are for grinding clay. Behind it is a small warehouse. The powder that passes the grinding is placed in the small warehouse."
Li An walked in and took a look. He nodded with satisfaction. The grinding workshop was the first step in the production of cement. It was also a very important step. If the grinding workshop couldn't completely grind the materials, the next steps of the production couldn't be carried out very well.
Therefore, the grinding process was very important. Ang Lee picked up the plastic gloves and gently put them on his right hand. Then, he walked slowly to the small warehouse of the powder.
"You don't have to follow me. I can take a look by myself."
Ang Lee was worried that too many people would cause too much dust, so he stopped the others from entering the small warehouse.
"Not bad. It's all in powder form. Very good."
Ang Lee casually grabbed a few handfuls of lime powder with his right hand and carefully kneaded it. He did not find any hard particles that would prick his hand. This meant that the grinding was very good and it was considered to be qualified.
"Well, this side is also very good. It's all in powder form."
After checking the lime powder, Ang Lee went to check the clay powder. Overall, he was very satisfied. These two powders were ground well and were qualified products.
After taking off the rubber gloves, Ang Lee casually threw them in the workshop and led a group of people out of the grinding workshop to visit the next workshop.
"Assistant Minister Li, this is the mixing workshop. All kinds of powders are mixed here and mixed evenly."
His subordinate introduced.
Mixing materials was also a very important step. If the quality of the cement produced was to pass, it must be sufficiently mixed. It must be mixed evenly. Moreover, it must be in accordance with the scientific ratio. If the ratio was wrong, the produced product would be a waste.
The mixing equipment was relatively simple. It was a cylindrical machine that could rotate. After various powders were poured in, it could be rotated and mixed. It could be completely mixed in about half an hour.
The mixing materials were mainly clay powder and lime powder. Some other materials were added, but the quantity was not very much. Moreover, they were all materials that could be produced in Anzhu City.
The raw materials produced in the mixing workshop could not be used directly. The next step was the calcining workshop. That was to put the mixed materials into the calcining machine and calcined them at a high temperature of thousands of degrees. The various mixed materials would have a chemical reaction at high temperature. In this way, the cement material that could be used directly would be more than half completed, and this product would be called clinker.
Of course, the clinker was not finished. The next step was to mix the clinker with a small amount of gypsum and grind it again to make Portland cement.
Gypsum was a product produced with limestone as the raw material. There was a lime mine next to it. Therefore, the source of gypsum was not a problem. There was a small gypsum manufacturing workshop inside the cement workshop. There was no pressure to obtain enough gypsum.
Ang Lee and everyone went to the last workshop, which was also a large grinding workshop. The mixture of clinker and gypsum that had been calcined at high temperature would undergo the final step of grinding here.
"Assistant Minister Li, this is the newly produced cement."
His subordinate pointed to the gray cement powder and said.
Ang Lee walked over happily and pointed to the newly produced cement. He said, "Has it been tested? Does it meet the requirements?"
His subordinate quickly pointed to a short wall outside the workshop and said, "Assistant Minister Li, please take a look. The short wall outside is made of the cement produced here, but it hasn't dried yet."
Ang Lee stepped towards the short wall and kicked it a few times. It felt very good. The short wall didn't move at all. However, the solidification time of cement was relatively long. The detailed technical specifications of the cement could only be determined after the cement was completely solidified. However, from Ang Lee's experience, the cement produced here was good enough to meet the needs of the construction of Anzhu City.
"Good, very good. We need to do more experiments to get the detailed data of the cement."
Ang Lee said.
The inspection of the cement workshop was just a glance. There were no new instructions. After that, they returned to Anzhu City by car.
Now that the cement workshop in the north of the city had been put into production, the material reserves for the construction of Anzhu City were more sufficient. He believed that the construction of Anzhu City would be faster.
"Assistant Minister Li, the Anzhu City officials sent by the imperial court have arrived in Tocharia. They will arrive in ten days at most."
One of his subordinates said.
Ang Lee nodded and said, "In that case, we can only stay in Anzhu City for ten days. After ten days, we will leave."
After staying in Anzhu City for so long and witnessing with his own eyes that Anzhu City had changed from a pirate's lair to a lively city, Ang Lee had developed feelings for Anzhu City. It was a very deep feeling. There were feelings for things and feelings for people. Among them, the feelings for people were deeper.
In ten days, he would have to leave this city. Li An suddenly felt a little reluctant to leave. His heart ached a little, especially when it came to the two delicate beauties, White Fox and Magpie.
When he thought about the warmth of the white fox and magpie lying in his arms, Li An was very happy. If he sent the two of them back to the Spring Fragrance Brothel and let them suffer the ravages of different guests, Li An would be a little unhappy. However, if he brought the two of them along, Yun'er and the beauty would be unhappy. Furthermore, there was still a long way to go, who knew how many beauties he would meet? If he brought too many girls with him, it would be difficult to take care of them all. Otherwise, he would be exhausted.
In short, his heart was very conflicted. He couldn't take them away, but he couldn't not take them away either. His heart was stuffed.
"Alang, you must be covered in dust when you went to the cement workshop today. Do you want to wash it?"
Yun 'er asked gently.
Ang Lee nodded and said, "Bathing is necessary, but you don't need to serve me. Let White Fox and Magpie serve me!"
"Why! Alang, don't we serve you well enough? "
Yun 'er acted coquettishly in an unhappy manner.
Ang Lee caressed Yun 'er's little face and said, "Yun' er, it's not that you didn't serve well, it's that we are about to leave An Zhu City. In at most ten days, we will leave An Zhu City. White Fox and Magpie will have to stay, and there are only a few days left. Alang naturally has to accompany them."
"Oh, is that so! This servant understands. "
Yun 'er was also a reasonable and virtuous person. She would not cause trouble for Ang Lee for no reason. When she heard that she was about to be separated from White Fox and Magpie, she felt a little reluctant. Although she was a little jealous of the two of them, she did not hate them that much.
Ang Lee stood up and said, "Yun 'er, you and the beauty should rest early! Alang has White Fox and Magpie to accompany him. "
Yun'er nodded and walked outside to call for White Fox and Magpie. The two of them were playing on the swing and were having a great time.
Looking at White Fox and Magpie who were bouncing towards him, Ang Lee felt even more reluctant to part with them. He really wanted to take them away!
"Come, let's take a bath."
Ang Lee hugged White Fox and Magpie and walked towards the boat at the dock.
Although the fixed bathing pool in An Zhu City was already very good, Ang Lee was still used to taking a bath on the boat. It was more romantic and more private. It could give people better enjoyment.
The hot water was prepared in advance by the odd-job workers. When Ang Lee arrived on the boat, the hot water and cold water had already been mixed. Therefore, after a short rest, he took a bath in the bathtub.
Ang Lee's body was not stained with much lime powder, but the psychological effect made Ang Lee wash himself many times. Only when he was sure that all the lime powder on his body had been washed off did he come out of the large bathtub. He wiped off the water on his body and lay on the rocking chair, letting White Fox and Magpie massage him.
"Comfortable, so comfortable. Massage me for a while longer."
Ang Lee asked in enjoyment.
They were about to leave An Zhu City, so Ang Lee naturally wanted to enjoy the two of them for a while. After leaving, he would not be able to enjoy it anymore.
"Assistant Minister Li, why don't you let Sister Yun 'er and Sister Beauty come over to play today?"
White Fox asked curiously.
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