What Tang Ping said was not to let Datang collect salt tax now, but to let them reduce the cost of salt in order to make profits.
Today we have refrigeration facilities that can preserve food, and the way ancient people preserved food was to pickle pickles. Ancient people had a great dependence on and demand for pickles. Therefore, there was a great demand for salt, which is why there is "Tang Dynasty" Home, the reason for the phenomenon of "thirteen pounds of salt per month".
The demand for salt has always been huge, and now the salt in Datang is mainly lake salt and well salt. There is sea salt in East Vietnam, but the price after buying it will not be lower than lake salt and well salt.
Compared with sea salt, the output of lake salt is smaller, while well salt involves the problem of digging wells.
When Tang Ping talks about making money, he means mining well salt in large quantities.
Of course, he used the small hole drilling technology he just provided.
After listening to Tang Ping's words, Dai Zhou said, "Master Tang is talking about Fuyi County on Jiannan Road, right?"
Tang Ping nodded: "Yes, it's Fuyi County."
Speaking of Fuyi County, some people may find it unfamiliar.
And if we talk about the modern name of this place, then many people know it, and it is Zigong City in Sichuan.
Zigong has a history of producing salt for more than 2,000 years. An artesian well and a Dagong well finally combined to form the name Zigong.
Not much in the Tang Dynasty, although well salt was produced here, the efficiency was not very high.
The main reason is also related to the well drilling technology and salt boiling technology at that time.
Tang Ping said: "If new well drilling tools can be made, it will not be a problem to increase Fuyi County's salt production dozens of times."
This is no exaggeration. Zigong’s well salt resources are really abundant.
You must know that at the end of the Anti-Japanese War, Feng Yuxiang went to Zigong to raise funds. Only 220,000 people from Zigong donated 120 million French currency, while a large salt merchant in Zigong personally donated 15 million French currency, ranking first in the country.
From his wealth, we can see how much salt Zigong has.
Everyone in the Xiande Hall was frothy after hearing this. According to Tang Ping's plan, if successful, the cost of salt will be reduced to one-tenth of the original, or even lower.
Even if the retail price of salt were reduced by half from its current price, they would still make a huge profit.
And because of the reduced costs, they can also take away all the lake salt business in Tuyuhun and the sea salt business in East Vietnam.
After all, the Tang Dynasty had salt at a fraction of the current price.
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They can make a profit by selling half of the salt, but if Dongyue also sells it at half the current price, they will only lose money.
After hearing this, Dai Zhou looked at the craftsmen in the engineering department with burning eyes: "How many days will it take to make this tool?"
Several craftsmen from the Ministry of Industry looked at each other and said, "It will probably take seven days!"
"Why does it take so long?" Dai Zhou said dissatisfied: "Didn't Master Tang have all the drawings drawn for you?"
"Master Shangshu, this..." The craftsman still wanted to explain.
Dai Zhou ignored him directly and said to Li Shimin, "Your Majesty, this matter is urgent. It should be done sooner rather than later. I think we should provide money to encourage the craftsmen. If the work is done one day ahead of schedule, we will reward the craftsmen with ten bonuses."
In his opinion, such a good thing must be put into use as soon as possible, not only to build water wells, but also to build salt wells, which is all money.
Although Li Shimin did not expand his army, the equipment of the army has been improving. In addition, Li Tai spent a lot of money to research the powerful cannon of the Tang Dynasty. As the financial steward of the Tang Dynasty, Dai Zhou's task was to make more money.
"But, this thing requires a steam engine, and now the entire steam engine production line has produced more than a hundred units." Duan Lun put forward his own opinion.
Nowadays, their steam engines are basically made by hand. In addition, for the safety of use, quality control has always been strict. Therefore, although the steam engine has been invented for some time, the production capacity has not been increased.
"This kind of drilling machine is best powered by a steam engine, but wind power, water power, animal power and human power can all be used."
After all, the core change in technology is from gold mining in the past to drilling.
Just let the drill bit drill, and human and animal power will only be slower at most.
So three days later, in the garden of the palace, several craftsmen began to build a shelf.
The shelf is about the size of a large millstone, with a transmission rod connected to the steam engine.
Nowadays, the craftsmen of Datang are very comfortable with various transmission devices. Inspired by Tang Ping, they have discovered that the most labor-saving and fastest way is to use rotating rods to guide various wind, water and other external forces to the equipment. , to replace manpower.
People get tired and need to rest, but water, wind and steam engines don't get tired, don't need to rest, and are even stronger.
Many things, as long as they are put plainly, the truth is so simple.
Add drill bits and connecting rods under the frame.
Then the work of ignition is handed over
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Gave it to Li Shimin.
Li Shimin is very happy, he likes this kind of ritual now.
Shortly after the ignition, the whirring sound of the steam engine began to get louder and louder.
Then, as Tang Ping said, a craftsman watered the place where the soil was drilled to soften the soil underneath, reduce the wear of the round-edged file drill bit, and speed up the drilling process.
There was a heavy object on the drill bit, and the round-edged file was pressed into the soil. Then the steam engine finally started fully, and the round-edged file began to rotate rapidly.
Then, visible to the naked eye, it penetrated into the ground.
The round-edged file, which was more than two meters long, disappeared from sight in less than a moment.
"Add a connecting rod!" Tang Ping shouted, and a craftsman immediately came over. First, he disconnected the steam engine, then moved the hoop, added a connecting rod more than two meters long, and continued drilling and adding water.
The soil in the palace garden is soft soil, and there is a well next to it, so there must be underground water here.
While the water was pouring, the craftsman in charge of watering shouted: "The water is going down, the water is going down."
Li Yuanji was also looking at it, thinking that this thing looked domineering and interesting. Hearing the craftsman's words, he didn't understand: "What does it mean that it's underwater?"
"There is usually an impermeable layer between groundwater and the ground. Now the water poured on top suddenly goes down, either hitting the underground cavity or hitting the underground layer." Tang Ping explained.
The drill bit was pulled out, and it was only a small hole the size of a bowl. It probably took less than an hour to drill it.
Of course, the depth is also similar.
Li Yuanji walked over and took a look. It was just a black hole and he couldn't see anything.
"Is this done?"
"Well, you'll know if there's any water down there."
"That's good, it's safe!" He still knew that it would be dangerous for people to dig the well. The hole would go so deep in just a short time, but it would be safe without anyone going down.
The craftsmen in the Ministry of Industry were also excited. If it was successful, there would be a bonus.
After installing all the hand-pressed wells and accessories, I was driven away again.
Li Shimin came to press the well, while Li Yuanji added water.
The whole garden heard the creaking sound of well-pressure, just when everyone wondered if it had failed.
Water began to flow out from the water outlet on the side of the hand-pressed well.
(End of chapter)
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245 Exploding Groundwater Free Reading.
