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Volume 1 Chapter 76 Cement

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    seventy six

    A severe beating, plus coercion and inducements, temporarily brought Carlos into submission. As for whether he is convinced or not, Wu Yiping can't control that much now.  In his opinion, as long as Carlos bows his head once, there will be a second and third time.

    After sending Carlos and Wu Yiping away, they walked towards the newly built laboratory. As soon as they went out, they could see black smoke coming out of a building in the back hill of Dafeng Village. It turned out that this was the location of the brick and tile factory.

    Since capturing hundreds of prisoners in Black Tiger Village, Wu Yiping selected the most guilty ones for coal mining.  Except for a small part of the coal that was dug out at the beginning to burn the fire, the rest was piled aside. Within half a month, there was already a huge pile, probably no less than a hundred tons.

    Once when Wu Yiping was overlooking Dafeng Village from the top of the mountain, he suddenly had an idea. He saw that the houses in Dafeng Village were all mud thatched houses, and some even had thatched houses with bamboo walls; they were very low and dilapidated.

    During rain and typhoons, the roof will be ripped off and the walls will be damaged; and it will be very dark and depressing for people to live inside.

    Now that there is coal and there is a lot of clay here, Wu Yiping arranged for prisoners to build brick kilns and tile kilns, and began to bake bricks and tiles on a large scale. The first batch of finished products were used to build a laboratory.

    Later, the bricks and tiles burned were used to renovate the houses of the federation. Now the villagers in the federation had no money to buy bricks and tiles at all. Wu Yiping used the credit office to give the bricks and tiles to the villagers, and the villagers worked to pay off the debt.  .  Up to now, the villagers have owed Wu Yiping countless man-hours. According to his estimation, these man-hours are enough for him to reclaim hundreds of acres of wasteland.

    But now that he saw the thick black smoke, Wu Yiping was a little unhappy, because the smoke had not been treated in any way and contained huge pollution.  Wu Yiping was thinking, should he come out of the Ministry of Environmental Protection at the right time?  ?

    I walked to the laboratory without knowing it.  This laboratory is Wu Yiping's darling, because he has put all the spare modern things found on the Dafeng into it, including several bicycles, several 15-kilowatt diesel generators, and  Several electric motors, etc. For safety, a platoon of troops is always stationed here under strict security;

    Arriving at the door of the laboratory, the guarding soldiers saluted and opened the door. Wu Yiping walked in; as soon as he entered, he heard a burst of cheers.

    "What new results have been achieved?" Wu Yiping put on the work clothes next to him and said, "Then let me take a look."

    "Instructor" Liu Rui came over holding a few bricks as if he were offering a treasure.  He put it in front of Wu Yiping with a smile on his face, pointed at it and said, "You can see it."

    "Huh?" Wu Yiping squatted down and looked at the few ordinary bricks in front of him. These bricks had been laid together. At first, he thought they were made of lime, but when he took a closer look, he found that they were not.

    It¡¯s lime. As soon as he saw the dark gray thing in the cracks of the bricks, something that could be seen everywhere in later generations flashed into Wu Yiping¡¯s head.

    "This is built with cement??" Wu Yiping still didn't believe it, and couldn't help but asked in confusion: "Did you complete the experiment?"

    Wu Yiping briefly talked about cement with Liu Rui during a casual chat, saying that this kind of thing is very useful.  Tell him that cement is made from limestone and clay as the main raw materials, which are crushed, batched, and ground into raw materials, which are then fed into a cement kiln to calcine clinker, and then the clinker is ground with an appropriate amount of gypsum.  But he didn¡¯t know the mixing degree of the cement kiln and the required calcining time.

    "How's it going? We're awesome!" Liu Rui laughed triumphantly.  He continued: "Limestone and clay are not rare things, and there is no shortage of coal, so I arranged the order

    Yong built a small kiln with his own hands to make this cement.  "

    Having said this, Liu Rui said with a flattering look on his face: "Instructor, you have to reward us well. We kept doing experiments, experimenting with different temperatures and different times. It took a full two months to complete the experiment.  It took countless times to make it happen.¡±

    Speaking of Liu Rui and Wu Yiping, they are very barbaric. He is a little genius; he has a good memory and strong comprehension. He is meticulous in doing things and is not afraid of hardship.  The only drawback is that he is too childish.  No matter what result you get, you will show it off

    When the Federation was established, Wu Yiping created a Ministry of Science and Technology, which sounds like a very large department. In fact, the Ministry of Science and Technology now only has this one laboratory, and the staff is only a few dozen people in this laboratory.  However, the Ministry of Science and Technology, under the guidance of Wu Yiping, has produced many results, and now it has produced cement. Wu Yiping is of course very happy.  I believe that in the near future, the Ministry of Science and Technology will truly deserve its name.

    You need to know about cementBut what a good thing!  Compared with lime, it has great advantages.  Not only can it harden in the air, but it can also harden in water.  The history of cement can be traced back to the ancient Romans using a mixture of lime and volcanic ash in construction. This mixture is very similar to modern lime pozzolan cement.  Concrete made of cemented gravel not only has higher strength after hardening, but also can resist the erosion of fresh water or salt water.  For a long time, it has been widely used as an important cementing material in civil construction, water conservancy, national defense and other projects.

    In the future, Wu Yiping will use cement in many places, and more importantly, cement can be sold as a unique commodity.  You must know that its raw materials are limestone and clay, which are completely profitable commodities.

    "Okay, okay! You will definitely be rewarded." Wu Yiping happily rubbed Liu Rui's head and laughed.  But he quickly put his hand down and said seriously: "The formula and production process must be protected well, so that they don't get stolen by bad guys."

    "Don't worry, instructor." Liu Rui slapped his chest loudly and said confidently: "The formula and production process are locked in the safe you gave me, and there are so many things outside.

    Many soldiers are guarding it to ensure nothing goes wrong.  "

    Hearing this, Wu Yiping was really relieved. You must know that the safe was on the battleship. There were only two, one big and one small. The small one was still on the battleship.  The big one was moved to the laboratory to store valuable things.

    This large safe is as tall as a person. It is made of 1cm solid steel plates inside and outside, and 10cm of high-strength cement is poured into the middle!  The entire cabinet weighs 2 tons. Coupled with modern mechanical codes and special keys, Wu Yiping does not believe that someone can use stolen tools to take away the contents.

    "Very good! After the cement starts selling, I will distribute part of the profits to you as bonuses. Just wait and count the money." Wu Yiping deliberately stopped here.

    "But what? Instructor" Liu Rui couldn't help but ask.

    "It's nothing." Wu Yi said with a straight face and a serious look: "I gave you a task three days ago. Did you forget it?"

    "The mission?" Liu Rui was stunned for a moment and said, "It's to design that hydroelectric power plant?" "Finally remembered?" Wu Yiping said, "Don't tell me it hasn't been completed yet."

    "Such a simple thing." Liu Rui looked relaxed as he dug out a few pieces of paper from the messy bookshelf and handed them to Wu Yiping.  Wu Yiping took it and took a look and found that it said "Hydraulic Development" written on it.

    The design drawing of the power plant, with a lot of pictures drawn below, and a lot of data, has really been completed.

    Wu Yiping really blushed when he named this design a hydroelectric power plant.  It is said to be a hydroelectric power plant, but it is actually a small power generation workshop.  As for the reason for designing him, we have to talk about it after Zhao Dongxu came to Dafeng Village.

    After Zaicheng deceived Zhao Dongxu into Dafeng Village, Wu Yiping spent a few days explaining to him the steelmaking methods of later generations, and also personally designed and built a coal-fired steelmaking furnace.

    I originally thought that I would be able to get a steady stream of steel from this steel plant in the future, but what I didn't expect was that more than a month had passed, and several furnaces of steel had been smelted, but the quality never met the requirements, and the hardness never met the requirements.  It's enough, but the resilience has never been good.  Knives made from this batch of steel are very easy to break.

    After careful analysis, Wu Yiping came to the conclusion that the temperature of the steel-making furnace was still a little low.

    So what method is used to increase the temperature of the steel-making furnace?  Wu Yiping knew that in later generations, oxygen injection was usually used, but now he couldn't get oxygen at all. After thinking about it for a long time, Wu Yiping finally decided to use a blower.

    I didn¡¯t expect that it actually worked after I tried it, but now a new problem immediately appeared.  The blower requires electricity, and the battleship has some diesel reserves.  But this thing is a little less useful

    ????????????? According to Wu Yiping's estimate, within a month, there will be no electricity due to the exhaustion of diesel.  That will all come back to the far point.

    So I came up with the idea of ??setting up such a small power generation workshop. You must know that the principle of a diesel generator is that the diesel engine provides power and drives the generator to work to generate electricity.

    What Wu Yiping has to do now is to separate the generator and install it on a newly built dam in a small river ditch below Dafeng Village. The water flow hits the wooden blades and drives the generator to rotate to generate electricity, thus obtaining continuous electricity.  Providing power for steel plant blowers and laboratory experiments.

    Fortunately, this generator only has fifteen kilowatts. In later generations, it could only drive several air conditioners. In this era, it can only be used to drive a blower to complete the task.For some simple experiments, there is still no problem.

    It is precisely because the generator is small that it can be easily installed on a small river ditch.  The task given by Wu Yiping to Liu Rui was to design the dam and blades. This was really a simple task for Liu Rui.

    Now that the design drawings are available, bricks have been stockpiled, and cement has just appeared, the work of building a new dam has been put on the agenda, and a new job will appear for the Dutch.
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