The special envoy appointed by the court and the new captain were abducted by the "wolf thieves" in the entire Beidi County.

Few people will care about the life and death of these two people who have nothing to do with them. What they care more about is how to spend this winter safely.

The winter in the north is cold and long, and winter accounts for at least one-third of the year. In an era of lack of entertainment, extremely shortage of supplies, and extremely backward productivity, people cannot go out to farm and are not qualified to entertain, and most people can only hide in the house and endure hardship.

This was the case in Beidi County in previous years, and it became so quiet that it was boring when winter came.

But this year's winter is different. You can see people busy everywhere in the city. Although it is the winter, many people are sweating all over the body and have bright smiles on their faces.

In the past, many people were frozen to death in winter every year. They could not wait until the spring is coming, and the green trees were sprouting in the coming year.

The reason for freezing to death is very simple: the house is not warm, the clothes are too thin, and there is also a lack of food.

After learning about these situations through investigation, Tang Han decided to improve the living environment of the people this winter so that more people can spend this winter safely.

He learned that in a mountain near the county town, someone had dug up black stones that could burn.

He naturally knew that this must be a exposed shallow coal mine. However, the people who saw coal thought it was something strange and did not think about using coal to heat and cook.

In fact, the reason why ancient people did not dare to use coal to cook for heating was because people at the beginning did not understand the correct usage and directly placed coal in a charcoal basin in the house, which resulted in carbon monoxide poisoning, that is, gas poisoning.

People in later generations know how powerful carbon monoxide poisoning is. Basically, if the poisoning is a little longer, it is hard to save the gods.

After learning the news, Tang Han sent someone to the mountains to investigate and found a shallow coal mine of good quality that could be mined almost without digging.

He sent people to organize the people to dig coal and transport it back to the city. At first, many people were unwilling to do this job, thinking that coal was a life-threatening thing, and it was not safe to get close to it.

However, after Tang Han promised to pay the wages, many people were still willing to do it.

The result was that the coal yard designated by Tang Han in the south of the city was piled up.

After the coal was transported back, Tang Han began to organize craftsmen to build stoves and chimneys. The stoves were made of pig iron, and the chimneys were rolled out of cooked iron.

After the construction is made, connect the stove and the chimney together, use mud to paste the gap between the interface, and extend the other end of the chimney out of the outside of the house.

The first stove and chimney were used in the shelter, and most of the people who were kept here were elderly and homeless people.

These people are grateful to Tang Han and feel that they are a bad life, so they take the initiative to ask themselves to be the guinea pig. Many people even act like they are willing to die and give up everything, which makes Tang Han laugh and cry.

On the day of the ignition test, the room was filled with people. They all looked at the gate with nervous expressions, wanting to see how long it would take for the people inside to be poisoned to death.

As a result, after a long time, people outside heard that not only did not die, but bursts of laughter came.

Some of the bravest people couldn't help but curiosity, so they plucked up the courage to push the crack open the door and looked inside. They found that the people inside were all rosy and had no poison at all.

These people were very surprised and walked in with the courage to go in. They found that the house was as warm as spring, and the cold world outside the house was simply two worlds, and they were both surprised and happy.

In addition to keeping warm and safe, coal stoves are also good at keeping warm and not poisoning, and there is another advantage that coal is resistant to burning, high heat and durable, so you don’t need to add fuel like burning firewood.

From then on, the iron stove for burning coal for heating suddenly became the target of everyone's pursuit. Every day, a blacksmith in the city surrounded a bunch of people at his doorstep and asked him to build a stove for his own home.

However, iron smelting technology has not yet developed these days, and only a few craftsmen can build iron tools. Although the iron stove is made of pig iron, the chimney is rolled up with thin iron sheets, and the technical difficulty is not high.

But it is a difficult problem for ordinary craftsmen in this world.

And this also involves a problem of raw materials.

Therefore, for a time, the iron stove became a treasure that was priceless.

Fortunately, Tang Han transferred a large number of craftsmen from Chang'an City and built a large workshop for them to concentrate on creating these iron tools related to people's livelihood.

With the efficiency of system craftsmen, iron stoves and chimneys were born continuously, and every set came out, they were immediately snatched away by those guarding the door of the workshop.

Even if all the craftsmen work overtime, they still cannot meet the needs of the people.

Besides, this thing is a new thing, and coupled with the restrictions of the production industry, even if Tang Han sets a price that is almost a cost price, many people in the city still cannot afford it.

Besides, in addition to buying stoves and chimneys, we also have to buy coal. Although it is very cheap, many people cannot afford it.

The way to live a rich way to live is a poor way to live.

Rich families rely on the stove to keep warm, so the poor naturally have their own ways.

The simplest and lowest cost is the kang.

In Tang Han's world, almost everyone who lives in the north and who is a little older knows the earthen kang. Even if you have not slept with the earthen kang that is too hot, you will at least have seen or heard of it.

Tang Han used to go back to his hometown in the countryside during the winter vacation of middle school, and he slept warmly.

The earthen kang is easy to obtain, and all the raw materials are made of soil. The structure is also simple. The various straws or firewood that can be seen everywhere in the countryside.

Of course, there are also a small number of them that burn coal, but the cost is too high and it is easy to catch fire, so few people usually use it.

The winter in the north is dry and cold. People are sitting on the warm kang chatting, playing cards and watching TV. When they visit other people's houses, the first thing they do when they enter is to take off their shoes and go to the kang.

Because if you don’t take off your shoes, you can’t stay on the ground, so you’ll be frozen!

The kang is usually burned once in the morning and once in the evening, so that the kang is hot all day long.

Some people will also pass the chimney of the coal stove directly into the kang, and use the heat from the stove to heat up the kang, killing two birds with one stone.

So in the winter in the north, people in the city need to sleep on electric blankets, while people in the countryside sleep on the hot kang.

Sometimes the kang is too hot, and sleeping on it at night will toss and turn like a pancake. If it is not hot enough, or if it is not buried after the fire is finished, the kang will cool down in the middle of the night and will wake up the person.

Therefore, burning a kang looks simple, but it is actually a technical job.

Seeing so many people who could not afford coal stoves, Tang Han began to promote the fire kang.
Chapter completed!