"Chen County Order, the weather is cold, burn some charcoal to keep warm!" Yang Jiaxiang said.

Chen Fei watched Yang Jiaxiang take the initiative to bring some black things, and knew that this guy didn't want to give up the opportunity to make a fool of himself. This Yang Jiaxiang has always been very slippery, since Chen Fei's predecessor Niu County Ling, he is very good at patting sycophants, otherwise he would not be able to sit in the position of the secretary of the office. And after Chen Fei came, he immediately slapped Chen Fei's ass again, and then hoped to keep his position. However, Chen Fei did not remove him from his position, because Chen Fei was a newcomer, and he was not suitable for direct surgery, and he had to maintain stability. However, Chen Fei also discovered that this Yang Jiaxiang is actually not bad in nature, but it is just a little slippery. So Chen Fei didn't adjust his position for the time being, and now he immediately came over to curry favor with Chen Fei and took the initiative to send charcoal.

"You put it down first!" Chen Fei said.

Yang Jiaxiang took the initiative to put the charcoal basin in front of Chen Fei, and then Chen Fei asked casually: "Is this charcoal?" ”

"No, Chen County Order, this is not charcoal, this is charcoal!" Yang Jiaxiang said.

"Huh? Carboniferous? What is it? Chen Fei asked rhetorically.

Yang Jiaxiang immediately said: "Charcoal is made by burning firewood, and this kind of charcoal is dug from the ground, which is directly charcoal." So we call it charcoal, and the kind that is fired with wood is called charcoal. And there are a lot of coal on the outskirts of Shuo County, so I asked people to get some out. ”

"Coal? Oh, you're talking about coal! Only then did Chen Fei react.

Chen Fei knew that this was not the so-called charcoal, but actually the coal of later generations, which was called charcoal in ancient times. In ancient times, because it was dug from the ground, it should be a kind of stone for the ancients, so they thought it was charcoal.

"Coal? Do you say that there are many such things on the outskirts of the county? Chen Fei asked.

Yang Jiaxiang immediately said: "It's quite a lot, but we don't know how good it is." Because he's all buried in the dirt, and we don't know! ”

Chen Fei began to think for a moment and said, "You go down!" ”

Yang Jiaxiang immediately went down. Chen Fei took the initiative to take out his mobile phone and searched for information related to Shuo County. Chen Fei knew that Shuo County belonged to the later generation of Shanxi, and Shanxi also had a lot of coal, and it was also a coal capital in later generations. Therefore, Chen Fei inevitably wanted to find information from later generations to see if there was any coal in Shuo County.

"My good girl, I didn't expect that there was a big coal in Shuo County!" Chen Fei exclaimed.

Chen Fei used his mobile phone to search for information about Shuozhou in later generations, and found that there was actually a large open-pit coal mine in Shuozhou in later generations, which was also called Pingshuo Antaibao large-scale open-pit coal mine in later generations. In later generations, this coal had a geological reserve of 12.6 billion tons, which was a sensation in later generations, and was the world's largest open-pit coal mine for a certain period of time. This open-pit coal mine is located at the junction of Shuocheng District and Pinglu District, which means that this large-scale open-pit coal mine in Pingshuo Antaibao is located on the outskirts of Shuo County. It is located in the northwest of Shuo County.

Such a big coal, actually here by yourself? Such a big treasure, if it is in the future life, it will definitely be rich. However, in ancient times, the common people did not have the habit of using coal, although there were some cases of using coal to make iron, but this situation was not the mainstream. The so-called earliest examples of the use of coal in later generations are actually individual cases, and they cannot be regarded as examples of the use of coal in the whole country. This kind of case is meaningless for Chen Fei, because the people don't need coal!

In this era, people used firewood for cooking and heating. Ordinary people either go and chop wood themselves. Either they buy firewood from woodcutters and use it for cooking or heating. However, Chen Fei knew that firewood would gradually be replaced by coal in the future, especially honeycomb coal. Ordinary firewood actually has many disadvantages, the first of which is that it is troublesome to use. Someone had to go up the hill to chop firewood, then chop it, and finally dry it before it could be used. And firewood also has an important problem, that is, when burning firewood, it is easy to cause a lot of smoke and dust. The smoke is very unpleasant for the cook. After all, no one likes to have smoke and dust when cooking, which is actually because the firewood is not dried in the sun, and there is a lot of moisture in it.

And the disadvantages of firewood are not limited to these. Firewood also has one of the most fatal drawbacks, which is its low calorific value. The general calorific value of firewood per kilogram is about 3,000 kcal, while the standard coal has reached 7,000 kcal, which is more than double that of firewood. As for the disadvantages of firewood, there are many more, not to mention what pollutes the environment and destroys forest vegetation. It is said that the forms of his firewood are different, and there is no unified form, so it is difficult to develop a unified stove in ancient times. Firewood has a low calorific value and is easy to volatilize, which is not as good as coal.

Chen Fei knew that after the invention of honeycomb coal, he specially made the corresponding honeycomb coal stove. The honeycomb coal stove is a stove that uses honeycomb coal as much as possible, which can ensure that the honeycomb coal does not waste heat, and the heat utilization rate has reached the peak, which is also unattainable by firewood. In the future, coal, especially honeycomb coal, will gradually replace firewood as the first choice for people's household fuel, and after more than a thousand years, honeycomb coal will also be gradually replaced, and finally liquefied petroleum gas will be used. Because LPG is more convenient to use, clean and hygienic, and has a high calorific value. However, there is no means to use gaseous fuels yet, so Chen Fei naturally does not think about practical gaseous fuels for daily use.

As for what some guys with sore eggs said in later generations that firewood cooking was more delicious, Chen Fei scoffed at this behavior. The so-called firewood cooking is more delicious, let's not say whether this is the case, but from the perspective of historical development, firewood is already destined to be eliminated. Not only did it damage the environment, but it also destroyed the forest vegetation, especially the residues he used and various environmental restrictions, so the firewood was eliminated, which is a historical necessity. So some guys who say that firewood cooking is more delicious, it's a group of guys with a lot of pain.

"Coal is a good thing, much better than firewood. Whether it's heating, or making a fire for cooking, it's much better than firewood. But if the people don't use coal, what can I do? However, the great men of later generations said well, there are no conditions, then we can create conditions! The living can still suffocate to death! Chen Fei suddenly thought. (To be continued, please search, the novel is better and updated faster!)