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Chapter 657 Making cement!

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Early the next morning, the martial arts training ground was filled with shouts and shouts.

The reason why bandits are bandits is because farmers have force value!

How to ensure your own force value, you must practice unremittingly every day.

Su Chen saw the lively scene in the field and joined them energetically.

Different from the previous feeling of powerlessness in my memory, this time when I exercised, my whole body seemed to have endless energy. The more I practiced, the more energetic I became, and the more I practiced, the more energetic I became!

"call! ha!"

As the movements unfolded, Su Chen took advantage of the situation and exhaled.

"Ha, the young master is in very good spirits today!"

Many people looked at the young man in the field in surprise and said to each other.

Su Hu also noticed his son's condition today and was filled with joy.

Nothing made him happier than seeing his son healthy and active!

Lian Lian After finishing the martial arts, everyone went to the fields where they should go, stepped on the spots where they needed to be, and robbed where they needed to be.

Su Chen went home and ate a large bowl full of porridge and five eggs. He was satisfied and called the five teenagers to go to the place where the land was being prepared yesterday. place.

Everyone stepped hard on the ground for a long time, and there was already a lot of water where the small trench was dug.

This water cannot exist when piling, otherwise it will cause great damage to the foundation. In ancient times, it should be used A layer of Liuhe soil can be waterproofed, similar to the effect of cement. What

Su Chen has to do today is to make cement!

Cement is taught in high school chemistry.

It uses limestone and clay as the main raw materials, and is crushed, batched, and ground. It is made into raw meal, fed into a cement kiln to calcine clinker, and then an appropriate amount of gypsum (sometimes mixed with mixed materials or additives) is added and ground into fine particles. The chemistry book also includes a black and white photo of the conversion furnace, but this It is impossible for Su Chen to make the equipment.

Limestone, Su Chen has never carefully identified what kind of stone it is, but things like limestone, clay, gypsum, etc. should be very common in ancient times.

I haven't seen it often in movies and TV dramas. The villain's sprinkling of lime makes people's eyes narrow!

As for clay, isn't it used to make pottery?

Gypsum is used to make tofu, and it is also a medicine in Chinese medicine!

This is all ready-made!

I haven't said anything, ask an adult to ask for it, and read it first Let’s see what they are like.

There are a lot of lime and gypsum in the village. Su Chen picked up a load and went back.

Clay was a bit difficult to work with. There was no ready-made one in the village. With the guidance of several uncles, he finally found it at the foot of the mountain. A lot was dug up in one place.

The raw materials were all available, and only God knew how to mix them.

Su Chen had no choice but to randomly choose three mixing methods, and first smashed large chunks of limestone into pieces. So far.

Su Chen and the others don't have anything to grind these limestones, so they can only smash them as much as possible. There is nothing we can do about the lumps of clay. It will take several days to wait for it to dry. Let's burn it, as much as it is dry.

Then use Weigh the scale, mix the limestone and clay according to weight, and stir it evenly.

Then it's calcining, calcining...

Damn it! What to use for calcining!

Look at the appearance of this clay, and think about the ancient Chinese calcining that I have learned before. The temperature of ceramics must be more than a thousand degrees!

Damn, how can this traditional method reach more than a thousand degrees! There is no way, first get a basin of charcoal, pile it in a circle with a few stones, and put it at the bottom. Lay it out with stones and put charcoal on it to burn.