Otaku Engineer in Great Tang Dynasty

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Li House, West Courtyard.

In the makeshift workshop, the iron eggs were burning, and Li Zexuan was pouring liquor into the still pot, paying attention to the temperature in the pot.

"Master, can you get stronger wine by heating this wine?"

Iron Egg asked curiously.

Li Zexuan saw that there was just time now, so he spread scientific knowledge to his cheap apprentice.

"Just heating, of course you can't get stronger wine, iron egg, have you boiled water before?"

"Well, of course it was burned."

"Then have you noticed that after boiling the water, if you continue to boil it, the water in the pot will become less and less?"

"Well, Master, that's true."

Li Zexuan nodded and continued: "Actually, the reason why the wine we are drinking now is not strong is because there is too much water in it and too little alcohol. Oh, the intoxicating thing in the wine is called alcohol. What it does is to steam out the water in the wine to make the wine more concentrated, you understand?"

Tie Dan nodded thoughtfully, and then asked suspiciously, "Then Master, will you steam out the alcohol as well?"

Li Zexuan praised: "Tie Dan, you asked a good question, this is the most critical part of distilled wine, in fact, compared with water, alcohol is more volatile at lower temperatures.

Eh, in other words, if we cook together, the alcohol will be steamed first, and then we add a pipe flushed with cold water at the back, and the alcohol will turn into liquid when cooled, do you understand? "

The boiling point of alcohol is around seventy-five degrees. The temperature must fall below 75 degrees to liquefy, and the evaporation rate is very fast at about 50 degrees, so at least cool the condensed alcohol to below 50 degrees in the condensing pipe, and generally only when it is about 30 degrees. flow out. Of course there are also coolers with lower temperatures.

Tie Dan shook his head in confusion and said, "Master, you understand the iron eggs you said earlier, but later you said that the volatile alcohol became liquid when it entered the tube. This iron egg doesn't quite understand it."

Li Zexuan patted his forehead, but he had no choice but to explain the physics knowledge of junior high school that the solution vaporizes when heated, and the steam liquefies when cold. Only then did Iron Dan understand.

"Okay, don't be distracted. You still have a lot to learn in the future. Now focus on burning the fire and pay attention to the temperature."

"Yes, Master!"

............

After two quarters of an hour, the condensed liquor finally began to slowly flow out of the thin tube of the condenser, and a strong aroma of wine permeated the whole room.

"Wow, it's so fragrant, Master, this is much more fragrant than my dad's usual wine."

Tie Dan sniffed his nose vigorously and said excitedly.

Li Zexuan smiled slightly and couldn't deny it.

"Xiao Xuan, what kind of wine do you have that smells so good?"

Cheng Chumo, who was outside the house, smelled the strong aroma of wine, he couldn't hold it in any longer, and rushed in immediately. This guy didn't know how to write polite, so he was about to come up and take away the condensing tube. Wine jars.

Li Zexuan quickly stopped:

"Stop, the first drink that just came out is poisonous, you can't drink the ugly cow!"

This product is really deadly. Although the alcohol concentration of the freshly distilled head wine is indeed very high and smells delicious, the head wine contains a lot of low-boiling substances such as aldehydes, esters and ketones. Severely dead.

Cheng Lumo couldn't believe it: "How can there be poison in the wine, don't lie to me, you kid, bring it to me to taste, don't be so stingy!"

Li Zexuan was too lazy to pay attention to the rammed goods that wanted wine and his life. When he saw that more than two kilograms of the first wine had flowed out, he replaced it with an empty wine jar on top, and lifted the jar with the first wine out, ready to pour it out.

Cheng Chumo saw his intention and jumped in a hurry behind him. If he hadn't been able to beat Li Zexuan, he would definitely have grabbed it.

Li Zexuan poured the first wine into the yard, Cheng Chu stood there reluctantly, sniffing the aroma of the wine remaining in the air, and muttered with a pity: "Prodigal son, prodigal son!"

Li Zexuan ignored him and turned back to the house.

An hour later, Li Zexuan brought out a jar of high-strength wine, put it on the table next to Han Yuxi, looked at Han Yuxi and asked, "How is it, Yuxi, have you figured out the ratio of the ingredients?"

Han Yuxi nodded, pushed over a glass of red wine, and said, "Master, after trying many times, I found that the wine paired this way is easier to eat, you can try it!"

Li Zexuan looked at the wine and hesitated. Han Yuxi smiled and said, "Don't worry, young master, this wine is not intoxicating."

Li Zexuan lifted the wine glass and took a sip. The entrance was sweet and sour from the mountain fruit, and when he tasted it carefully, there was a hint of wine aroma, mellow and sweet. Li Zexuan nodded with satisfaction. Han Yuxi was indeed a genius in winemaking. She was given a list of ingredients, and she actually figured out the ratio of various ingredients by herself, which is really amazing.

"Well, not bad, Yuxi, you are really amazing, just adjust it according to this ratio!"

When Han Yuxi heard Li Zexuan's praise, she felt that her hard work was worth it.

At this moment, Cheng Chumo walked in and glanced at Li Zexuan resentfully. Then he suddenly caught a glimpse of the cocktail that Han Yuxi had prepared, and he immediately became energized. He shouted:

"Miss Han, is this the new wine you prepared? Hurry up and let me, a wine tasting master, help you taste it.

taste! "

Han Yuxi couldn't help but "puchi" a smile, Li Zexuan couldn't do anything about this cheeky. Cheng Chumo poured himself a glass of cocktail, then held it in his hand and said with admiration:

"Well, just looking at the appearance is not bad, Miss Han, Xiaoxuan is really lucky to find you."

This is a bit ambiguous, Han Yuxi blushed, Li Zexuan glared at him, and said angrily: "Hurry up, drink it, the wine can't stop your mouth!"

Cheng Chumo laughed, picked up the wine, took a sip, smashed his mouth, and then drank it again, seeing Cheng Chumo sighed:

"Miss Han, the taste of your wine is very novel. I've never had such wine before. Well, it's very tasty anyway. But it's just a little boring. It's not as good as the wine that Xiaoxuan poured out just now."

Han Yuxi smiled and said, "Young Master Cheng, this wine can also be paired with a strong drink, just wait a moment."

Seeing that Han Yuxi started bartending again, Li Zexuan pulled Cheng Chumo out and said, "Ugly cow, come and help me carry some things!"

"Uh, you won't ask your servants to help you?"

"Eating people is soft-hearted and short-handed. Have you heard of it? If you want to drink good wine, come with me quickly."

Cheng Chumo could only follow him sullenly, and even Li Zexuan had no one else if he dared to make Lu Guogong's son as his envoy.

Li Zexuan asked Cheng Chumo to come over to ask him to help him carry a bag of saltpeter. Although this thing is not heavy, it is not necessary to have this free labor, so as not to waste the money and pick and choose.

Last night, Li Zexuan asked his father to buy some saltpeter mines for him, and he didn't know what happened to his father.

Li Zexuan just wanted to get some ice cubes, a strong cocktail. If you don't add ice cubes, it will be too stomach-burning. If you have ice cubes, it will be more comfortable to drink.

…………

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