Gao Pragmatic calculated a little, and said in surprise: "Aren't the hundreds of acres of mountains and forests near Sanshen Garden all attached to other courtyards, why do I see that this income is almost a little more than the tenant rent?" These mountains and forests have no income at all? ”

Zhang Jin was stunned for a while, and said curiously: "How can the mountains and forests have any income?" The reason why this land was attached to such a large area of mountains and forests at the beginning was that I heard that it was just that after Wang Zhi thought about dedicating the other courtyard to Emperor Xianzong, he might occasionally be used as a hunting place. Later, when the old man took over, he just felt that with such a large area of mountains and forests, there might be some good places to go, and he could build another mountain courtyard to cultivate his mind...... Could it be that the mountains and forests can produce anything? Young Master, we are not hunters, we rely on the mountains to eat the mountains. ”

You are such a wrench!

Gao pragmatic scolded the Ming Dynasty people in his heart for not understanding agricultural economics at all, in addition to farming, he is planting mulberry, and he is great to add a tea tree, this nearly 100 hectares of land in my hand, you can't make money with it?

But after thinking about it, forget it, people in this year are not worse than people in later generations in some things, but there are also some things that they haven't even touched the threshold.

In a mountainous area like Mentougou, where Sanshenyuan is located, the only way to develop and make money at the moment is to rely on what to eat.

If in later generations, ask what resources are the most famous and abundant here, I am afraid that the first thing that comes to mind is coal.

Mentougou coal production was famous for a long time in later generations, and even now in the Ming Dynasty, the Mentougou area also supplied coal from Jingshi and the surrounding areas. However, perhaps due to limited transportation capacity, mining is currently only carried out in some areas closest to the capital. In later generations, the famous Changgouyu, Da'anshan, Datai, Muchengjian and other large coal mines have not yet been mined.

However, Gao Pragmatic has just seen the general map of the mountains and forests attached to Sanshen Garden, Changgouyu and Da'an Mountain are a little far away, not to mention for the time being, Datai and Muchengjian can be in this mountain forest area of Sanshen Garden!

These two areas were the main mining areas of Jingmei Group for a long time in later generations, and the combined output of the two mining areas can reach more than 3 million tons of coal per year. Of course, if the future generations can achieve it, it definitely does not mean that they can achieve it now, but if Gao Pragmatic has the ability to mine and utilize, let alone reach ten percent of the future generations, even if there is only one percent of the mining volume, he is enough to supply the entire capital.

After all, in these days, coal is only used for pure heating, and it is rarely used even for cooking - because there is no honeycomb coal now, only briquettes.

The main reason why Gao Pragmatic is not afraid that his family will have no place to sell coal when he digs coal is because the manufacture of honeycomb coal is actually quite simple.

At that time, he was very interested in the fact that watered coal and soil could be turned into honeycomb coal when pushed out of the coal beater, and with the curiosity of a child, he carefully observed the structure of the coal beater. And what is even more coincidental is that his family's coal hammer broke down later, this thing was no longer valuable in that era, and it was useless after it broke, so he dismantled the coal hammer and studied it with permission, and even made a few small toys out of scrap iron. Therefore, how to make this tool is not technically difficult for Gao Pragmatism.

Of course, at the moment, even coal mining is still a matter of eight words, the shearer is naturally not in a hurry, and the high pragmatism does not like to waste time, and the preparation of some things in his opinion can go hand in hand, so in the preparation for coal mining and the manufacture of honeycomb coal shearers, one thing that also needs to be done is to make coal stoves.

The biggest advantage of honeycomb coal compared with old-fashioned briquettes is that it increases the burning area, but if it is burned open, it will still waste a lot of heat energy, so it is necessary to have a special coal stove.

Coal stoves are very common in later generations, especially in rural areas, which can be said to be everywhere, but in fact, there is still a little bit of technical difficulty in manufacturing, at least under the conditions of the Ming Dynasty. The coal stove can be divided into five parts: furnace body, furnace table, furnace chamber, bracket and ash outlet, and the other parts are easy to do, only the "inner tank" - that is, the furnace, which will be troublesome, but it is also difficult to be pragmatic.

Gao Shishi remembers that when he was a child in his previous life, there was a kind of cast iron honeycomb coal stove, which had two iron rings on the stove plate, which could be used to match pots of different sizes, and this coal stove was the goal of his plan.

The furnace needs to be enameled with refractory materials to keep the furnace warm and resistant to burning, refractory materials have been in ancient times, the reserves near the Beijing division are not small, it stands to reason that there are a lot of Mentougou, but the specific high pragmatic do not remember, you have to send someone to find.

There is a grate under the stove that can be pumped, and when it is pulled out, the burnt briquettes can be rolled down. There is a fire door under the stove, and adjusting the size of the fire door can determine the temperature at which the furnace burns. When a large fire is needed, open the lower furnace door to increase the air supply, and the briquettes in the furnace will be fully burned. When the fire comes up, you can boil water and cook. When the fire is not in use, close the fire door below to make the furnace burn slowly and save coal.

When burning honeycomb coal to add coal, you only need to put the coal on top, then cover the lid, and hook the fire door from below, and the burned honeycomb coal will break into ash and leak from below. Of course, it can also be clamped out directly from the top with fire tongs.

When Gao was a child, his family usually bought loose coal and processed it into honeycomb coal. Add some yellow mud to the loose coal to play a bonding role, and then add water to mix evenly, which can be used as a coal beater to process into honeycomb coal. After making honeycomb coals one by one, take a little time to dry them, and then use them to make a fire, and then cook, boil water or heat the house, depending on the needs of each family.

This coal will not crumble into ash after burning, but will retain its original shape intact. When adding coal, it is common for people to take the coal out of the furnace piece by piece, throw away the coal that burned underneath, put the burning coal back, and add new coal on top.

Sealing the fire is also very particular. For example, if you don't need fire for a long time at night, you won't completely seal the stove, and the furnace will burn slowly, neither overburning, nor completely sealed and extinguished. This requires mastering the gaps left by the fire cover when sealing the fire. If the void is too large, it will burn too much, and if it is too small, it will be sealed. And different seasons are not exactly the same, for example, in winter, the air flow is more active, and the coal will burn faster because it gets more air, so the fire cover should be tighter at this time. In the beginning of spring, the temperature is high, the air flow is slow, the coal is not easy to burn, and the fire cover needs to leave some gaps. If you don't grasp it well, if you don't pay attention to the stove and go out, you have to light the stove again.

In this way, it can be found that from coal mining to the manufacture of coal hammers, and then to the manufacture of honeycomb coal, coupled with the teaching of honeycomb coal use skills, Gao pragmatic believes that it is best to match together and then jointly launch, so as to form a joint force at one time, quickly open and occupy the market.

As for honeycomb coal ash can also be used to make cement, as well as for the bottom layer of bonsai hydrophobic, etc., that will not be mentioned for the time being, cement is of course good, but Gao pragmatic now has too many things to do, and the stall cannot be so big at once, so it can only be said slowly.