Liu Rengui looked embarrassed and said hesitantly:
"Your Majesty, after receiving the decree, I immediately began to prepare, but... but..."
"Just what?"
Li Er urged with some dissatisfaction:
"Stop hesitating. Just say what you want to say!"
Liu Rengui did not dare to hesitate any longer and immediately reported:
"Your Majesty, the method of firing these 'refractory bricks' is something we haven't yet mastered..."
"Oh? Don't worry about that. I'll have County Master Zhuang come to give you guidance."
Li Er raised his eyebrows and then looked at Zhuang Zhou:
"Zhuang Zhou, I'll leave the firing of these refractory bricks to you!"
Zhuang Zhou nodded and said firmly:
"Your Majesty, rest assured. As long as there are enough materials, I will be able to produce qualified refractory bricks!"
"good!"
Li Er was overjoyed when he heard this and immediately made a decision:
"Duke Lu, don't leave for the next few days. Just stay in the General's Office."
"oh!"
Cheng Yaojin didn't dare to refute and just said "oh".
"Zhuang Zhou, then you will be in charge of guiding the craftsmen. Make sure they produce qualified refractory bricks as quickly as possible!"
Zhuang Zhou accepted the order and turned to look at Liu Rengui:
"Master Liu, let's start now!"
Liu Rengui and Zhuang Zhou had seen the process of making earth cement before.
Therefore, he did not doubt Zhuang Zhou's ability.
Especially now that His Majesty has given the order personally, he naturally dares not be negligent in the slightest.
He immediately nodded in agreement:
"Yes! County Master Zhuang, I have already arranged for the craftsmen to prepare the materials!"
Soon, Zhuang Zhou and others followed Liu Rengui to a kiln under the jurisdiction of the Ministry of Works.
The main products here are ordinary bricks and pottery. Although it is not large in scale, it has complete facilities.
Accompanied by Liu Rengui, Zhuang Zhou inspected the kiln facilities and materials in detail.
Then he began to instruct the craftsmen how to fire refractory bricks.
He first asked the craftsmen to mix raw materials such as clay, sand and stone powder in a certain proportion, and then add water to stir them into mud.
Then he had the craftsmen build up layers of bricks in the kiln, leaving appropriate gaps between the bricks to allow hot air to circulate.
Finally, Zhuang Zhou personally checked the ventilation system in the kiln to ensure that there was sufficient oxygen supply during the firing process.
After everything was ready, Zhuang Zhou asked the craftsmen to light the kiln fire and start the firing process of refractory bricks.
This process takes several days, during which the temperature and atmosphere in the kiln need to be constantly monitored to ensure that the bricks are evenly heated and fully sintered.
Zhuang Zhou waited until nightfall and looked at his watch. It was already seven o'clock in the evening.
It’s time to return to modern times!
Zhuang Zhou gave Cheng Yaojin some instructions before leaving the kiln.
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