"Hmm~! This mutton is very energetic! How can good meat be without good wine? Xiao Xuan, let people bring wine! I'll have two drinks with your father and your grandfather~! ”

Others say that there is a Cheng bite gold halfway through, but Li Zexuan is halfway through the hot pot today, and he eats a Cheng bite gold!

The old goblin came here to see how the vegetables in the Li family's greenhouse grew, because his family's Zhuangzi and Qin Qiong's Zhuangzi have also recently begun to introduce greenhouse vegetable planting technology.

And the result! The old man didn't even look at the vegetables in the greenhouse, and as soon as he entered the house, his eyes were staring at the mutton, fish, and dipping sauce on the table.

After getting along with Cheng Yanjin for so long, how could Li Zexuan not understand this old guy's thoughts? So he didn't say anything, and directly invited Cheng Yanjin to eat hot pot together! Anyway, with this old guy's identity, he doesn't have to worry about Wuhou arresting him because of the curfew when it gets dark for a while!

Cheng Yanjin gave Li Zexuan an approving look, and then unceremoniously sat down and ate together.

As the so-called eating meat in large pieces and drinking wine in large bowls, after eating for a while, Cheng Biting Jin felt a little uncomfortable, so he yelled for Li Zexuan to take the wine!

Li Zexuan had no choice but to let Sanbao go to the wine cellar to hug an altar of immortal drunkenness.

After the wine was played, the atmosphere became even more lively. Cheng Biting Jin is refreshing by nature, and he has been quite familiar with Daddy Li this year, Ye Guozhong has been in a high position for a long time, and he is also well-informed, and the three of them still have a lot of common topics.

Li Zexuan felt that Cheng Bitingjin's wine was not good, and he only wanted to eat hot pot, and he didn't want to drink much, so he didn't mix with them, and he was very happy with Lan'er, Mrs. Li, and Mrs. Ye!

After being full of wine and food, Cheng Yanjin burped and returned satisfied, and when he left, the old guy didn't forget to explain to Li Zexuan: "Hiccup~!" Xiao Xuan~! This hot pot of yours, hiccup~, it's so much... It's so delicious! I'll send my cook over when I turn around, hiccup~, you... You've got to be taught... Teach him! I haven't eaten so much for a long time, hiccup~, I've drunk so well! ”

The old guy forgot all about his original intention of coming to the Li family, but he only remembered the hot pot, I have to say that in the absence of a fight, the appetite is Lao Cheng's biggest pursuit now!

……………………………

On the second day, near noon, the Li Mansion.

"Feiji, you send these drawings to the workshop, give them to Fauber, and let him make them in these two days!"

Li Zexuan called Pang Feiji, took out two drawings, handed them over, and commanded.

"Yes! Hou Ye~! ”

Pang Feiji took the order and left.

Li Zexuan asked people to carry a coal stove and a basket of honeycomb coal to the carriage, and the coal was still burning in the coal stove, and then he rode the carriage towards the palace, he wanted to see Li Er.

As for the drawings he just gave to Pang Feiji, they were the radiators and heating pipe drawings he had just drawn in the morning, the structure was quite simple, and he had already measured the size in the morning, and the size of the house on the side of the Yunshan Annex, the drawings of the annex were all drawn by him, so naturally there was no need to measure.

Li Zexuan plans to install homemade heating for both the house and the Yunshan Villa.

Anyway, now there are honeycomb coal and coal stoves, just set up a pot and drain some pipes, and it's basically OK!

This is modeled after some homemade heating in the countryside in his previous life, and the principle is also very simple:

A large boiler that boils water, the furnace is double-layered, the top and bottom are closed, the top is connected to the steel pipe and the water layer from the flue, and the heating water supply is connected, this point is the lowest point of the water supply pipe, and the exhaust valve is set at the highest point at the end of the heating pipe, with a slope of one percent;

The bottom is flat out to connect the heating return water, and then the water supply pipe is connected to the furnace next to the water supply pipe, the height exceeds the highest point of the water supply pipe, and the water supply tank is set up, and the lowest point of the heating section next to the furnace of the return pipe is one percent of the slope of the highest point of the heating section;

The water in the furnace is heated into steam and rises, and is dissipated to the highest point through the water supply pipe to become a mixture of hot water and steam, and the temperature decreases after the hot water enters the radiator, the density increases and the volume becomes smaller, and the inlet and return pipes enter the boiler, thus constituting a circulating loop.

The slope of the water pipe for self-made heating is very important, the reverse slope will cause no heat, the water layer of the furnace bile should be thin, 1-3 mm is enough, because the water layer is thick, the coal will be charged, and the high-point exhaust valve must be opened, otherwise the whole system will be closed, and there will be an explosion!

The reason why Li Zexuan has only started heating now is mainly because there was no honeycomb coal or coal stove before, and it was very inconvenient to boil water, because the continuous burning capacity of charcoal was far less than that of honeycomb coal! Now that he has come up with honeycomb coal and coal stove, of course he must quickly install the heating at home!

.……………………………………

In the palace, just after the early dynasty, Li Er returned to the Xiyuan Lizheng Palace, because there are charcoal basins and stoves here!

Although he is an emperor and also has martial arts, he is far from the point where the martial arts master is not invaded by cold and heat, and he will also feel cold in this kind of weather!

Li Er had just spoken to Empress Changsun in the Lizheng Hall for a short time, and then a waiter from the Yellow Gate came to report

"Your Majesty, the Marquis of Yong'an asks to see you!"

Li Er was stunned for a moment, and then laughed, "Oh? When will this kid take the initiative to come to me? Did he say what was the matter? ”

Since Li Zexuan entered the officialdom, most of them were summoned by Li Er before he entered the palace, and it is extremely rare to take the initiative to enter the palace like today!

"Back to Your Majesty, Yong'an Hou said that he is here to offer treasure!"

The chamberlain replied cautiously.

"Offering treasures? Scold~! It's a new thing today! Let him wait in the Manna Hall first, and I will come soon!" ”

Li Er's curiosity was aroused, and he couldn't care about the cold outside, he put on a fox fur coat and prepared to go to the Ganlu Hall to meet Li Zexuan.

After all, this is a harem, and Li Zexuan is a normal man who has reached adulthood and is married, of course he can't be allowed to come here! If it was left at the beginning of the year when Li Zexuan was not married, Li Er might have met him in the harem, but now it is absolutely impossible.

"Your Majesty, the concubine also wants to see what kind of treasure Yong'an Hou is offering, I wonder if I can go with Your Majesty?"

But it was the eldest grandson Empress who was also interested, and she pleaded with Li Er.

"Haha! Since Guanyin is interested, let's go with you! But it's cold outside, Guanyin, you need to add one more piece of clothing! ”

Li Er smiled and agreed very happily.

"Your Majesty Xie cares, and the concubine can save herself!"

Empress Changsun's heart warmed, and the palace maid put on a mink jacket for her, and the husband and wife went out!

………………………………………

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