Qiao Xuejun started drawing the blueprints for the distiller in the shelter.
Outside the shelter, heavy rain was still falling.
According to the prompts given by the system, the water will continue to rise until it submerges all cities and rural areas. Most places with an altitude of less than one thousand meters will be submerged, and marine life will go ashore.
Kuang Qianli and the young carpenter stood by and watched her paint.
Kuang Qianli pointed to a picture and said, "Is this glass? We do have some glass bottles, but where can we find sealed glass like yours?"
Qiao Xuejun: "Still painting, don't worry."
This standardized distiller made of glass is the most effective. Obviously, their current conditions do not allow it, but they can also consider combining it with other materials.
Qiao Xuejun was drawing another picture in her hand. It was a device similar to a distiller used in ancient winemaking technology, which was basically made of wooden barrels and iron pots.
The young carpenter looked at it for a while and said, "Is this a steamer?"
In Gongzhou area, there is a large wooden barrel used to steam rice on the stove, and that barrel is called a steamer.
Kuang Qianli: “Never seen it.”
The wooden barrel meals in restaurants are all small. The wooden barrel that Qiao Xuejun drew is half a person's height.
Qiao Xuejun pointed at the picture and explained to the carpenter: "Put contaminated water in the pot below and light a fire. The water vapor will float upwards. Put a wooden barrel on top of the pot so that the water vapor will not fly out. Then put an iron plate on top of the pot so that the water vapor will condense on the iron plate and drip down."
The young carpenter understood immediately: "In order to prevent it from dripping back into the pot, a groove is installed in the middle. The condensed water droplets can be led out along the groove."
Qiao Xuejun nodded: "Not bad."
However, this ancient method has limited effectiveness. The distilled water and the original liquid cannot be completely separated, the efficiency is relatively low, and repeated distillation is required.
That’s why we had better and better modifications later on, separating the system for heating the raw liquid and the system for condensing the distilled water.
Qiao Xuejun: "If there is no glass, you can use an iron bucket instead."
When they searched the house, they found aluminum buckets and plastic buckets. Plastic buckets were definitely not acceptable, but aluminum buckets could be tried.
After Qiao Xuejun finished painting, she told Kuang Qianli and the carpenter her idea, and they both understood it.
Kuang Qianli: "I see. It means boiling the water and collecting the distilled water. And the distilled water and the contaminated water must be completely separated, right?"
Qiao Xuejun nodded: "This way we can ensure daily drinking."
In fact, the water in the warehouse was enough for the four of them to sustain for at least three months, but Qiao Xuejun was used to making plans early.
Kuang Qianli and the carpenter took the drawings away and began to study them nearby.
Wang Juanfeng was lighting a fire and burning the stove in the living room.
Qiao Xuejun looked up at the thermometer and saw that the temperature had dropped to 5°C. Half a month ago, the temperature was still 50°C. She walked over, squatted down, and handed firewood to Wang Juanfeng.
Qiao Xuejun: "You can also make a fire? Let me do it?"
Wang Juanfeng glanced at Qiao Xuejun and said angrily, "You look down on me?"
Qiao Xuejun laughed and said, "You are a doctor, you don't look like you know how to do this."
There aren't many calluses on his hands, so he doesn't look like someone who does these kinds of odd jobs.
Wang Juanfeng smiled and said, "When I was a kid, I also had to light a fire at home."
The temperature here can drop to minus 4 or 5 degrees Celsius in winter. Although it is not very cold compared to some northern cities where the temperature is dozens of degrees below zero, it is still freezing without heating.
Every household would burn a fire in the winter, a big stove. They would get up every morning and chop firewood. They would first chop the firewood into the thickness of chopsticks, use waste newspaper to start the fire, throw the thin firewood in, and then throw in the slightly thicker firewood.
The fire must be burned vigorously. In winter, the whole family can gather around the iron stove and roast peanuts and sweet potatoes on the stove to keep warm all over.
Wang Juanfeng: "My grandmother is disabled and my parents work away from home, so when I was young I lived with my grandparents and had to do housework."
But her grandparents would let her do less housework, and would urge her to study when they saw her doing farm work.
Unlike Qiao Xuejun, her grandparents treated her very well. So when Qiao Xuejun went to work to earn money after finishing junior high school, Wang Juanfeng was admitted to a medical university with the support of her family.
Thinking of this, Wang Juanfeng looked at Qiao Xuejun: "Didn't you stop studying after junior high school? It seems that you know a lot and are very professional in drawing."
Although she can't draw straight lines or round circles, and they are crooked, she can draw three views, mark dimensions, and has a strong sense of operation. She must have learned relevant knowledge or at least seen quite a few drawings.
Wang Juanfeng was curious: "What industry do you work in when you go to the city?"
The fire was already burning brightly, rising from the furnace. The orange-red flames reflected on Qiao Xuejun's face, making it look warm and soft.
If this question was asked when they first met, Qiao Xuejun would not answer it at all.
Qiao Xuejun reached out to the furnace to feel the temperature: "As for me, I went to the greenhouse to learn how to farm."
Farming in a greenhouse?
A clear yet vague answer. Wang Juanfeng didn't know much about this, so he didn't ask any further questions. He just sighed and said, "You really know how to farm."
Qiao Xuejun talked about her plans: "Now there is no water, no sunlight, and I can't grow crops. I might grow some mushrooms later."
Mushrooms do not require much light, but they are very nutritious and contain high protein.
Wang Juanfeng: "Okay, sir, I'll plant whatever you say. I'll cooperate at any time."
·
Several people studied the distiller in the shelter and made a version. However, the size of the aluminum cylinder for heating in the middle and the wooden barrel for condensation in the middle of the first version were not the same, so they had to adjust them again.
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