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"In the third year, the Baiyantan Power Station was engaged in technical transformation, and I personally participated in the installation and construction of the new hydro turbine. So I am more familiar with the scene. A few days ago, I went to investigate, although the surrounding natural environment has changed, but the general hydrological conditions and geological conditions are the same as before...... Oh, it's 'later'...... Nothing has changed. Of course, there are no dams yet. ”

"I know that the dam is very large, and I am afraid that we can't build it with our current manpower and material resources, right?"

Native Huang Xiaodong raised his hand to speak, and Lin Hanlong nodded in agreement:

"That's right, the dam on the Wenlan River is from the 60s...... In 1960, when the whole country overhauled water conservancy, it took the whole county two years to build it, with a length of 94 meters, a height of 6.5 meters, and a width of 1.2 meters at the top of the dam. ”

Lin Hanlong and a group of brothers brought out the drawing boards that had been prepared long ago, and on them were some illustrative drawings, and it seems that he often made such introductions.

"This time, the hydropower station we originally planned to build was 4x100kw, consisting of four 100kw vortex shell axial turbine generators, which are low-head motors that can work normally as long as there is a height difference of about six meters. There is a dangerous shoal in the section of the Wenlan River in the Bairen Cliff, with a natural drop of 5.3 meters, and we only need to raise the drop by one meter to ensure that the generator works. ”

"And we didn't need four generators to start with, just one generator to work and there would be plenty of electricity. 100kw power, up to 330v industrial voltage, can fully meet the working requirements of any electrical appliances on our ship. After that, with the abundance of human resources, we will slowly expand the power station. ”

In the end, Lin Hanlong said optimistically. The inquiring eyes were on each other, and the project was known to the engineering team, this time mainly to convince the layman, for the project would undoubtedly occupy the vast majority of the collective human and material resources. Once decided, chemistry, ironmaking, and even military training may have to be suspended.

"How far is that hydropower station from the county seat? How to solve the problem of power transformation and distribution? How many wires do we have on board, and can we pull electricity all the way to the county seat? ”

Later, Ling Ning raised a series of questions, this brother obviously knew something about technology, and several of the questions raised were all on the point.

"The Baiyantan Hydropower Station is about four kilometers away from Lingao County, where we are now, and the substation and distribution equipment are also installed together. This time we had plenty of spare cables...... However, according to Pang Gong's plan, we do not plan to pull the cable to the county seat. ”

"Yes, it doesn't make sense to bring electricity to Lingao County. We don't want to turn on the lights for the residents here. ”

Lin Hanlong kicked the ball back to Pang Yu's side, and the architect who had been prepared for a long time also stood up and showed everyone the industrial layout plan of Lingao County that he had drawn these days on a drawing board.

"The hydropower resources of the Wenlan River can not only be used to generate electricity, but also directly to use themselves – we plan to build some simple hydro wheel stamping equipment along the river. In the future, the entire Baiyantan area will be built into our industrial zone, with all heavy industry, metallurgy, chemical industry...... All of them are solved in this area. In the future, only the necessary living and commercial bases will be preserved in the city. ”

"That means we're going to open a branch outside in addition to the seaside dock?"

Tang Jian asked with some dissatisfaction, as a soldier, he must consider the issue of defense, and a basic principle of defensive operations is to try not to scatter forces.

But Pang Yu's answer is also very direct:

"There is no way, if we want to develop, we can't nest in the city - the seaside salt works are about to start, and the farms in the South China Sea are also good land...... This area is just downwind of Lingao County, downstream of the Wenlan River, and if there is industrial pollution in the future, it will not affect the county seat and farm area. In addition, it is relatively close to the wharf, which will make it easy to transport raw materials and energy from the sea in the future. In fact, I estimate that it will be our main living area in the future, because only there will be no restrictions on our electricity consumption. ”

"How much manpower is needed? How long does the whole project take? ”

Xie opened his mouth to ask, and at the same time took out a pen and paper to calculate the allocation of manpower.

"At the beginning, it took as much manpower as possible to build the dam and dig the reservoir, and when the infrastructure was completed, the installation stage would only require a few of us.

Lin Hanlong responded confidently, and at this time Pang Yu raised his hand again:

"But even after the dam is built, I still need enough manpower to build the power station house and other industrial buildings, which still takes up a lot of resources."

…………

Since then, many people have asked some miscellaneous questions, which makes Pang Yu feel like he is participating in a bidding meeting. Fortunately, in the end, everyone agreed on the construction plan collectively - so far, it seems that the plans have not been passed.

When the first rays of sunlight rose from the sea level in 1630 AD, the traversers gathered by the sea to watch the New Year's sunrise let out a chorus of cheers, new year, new hope!

The whole month of January in 1630 was spent busy. The construction of hydropower projects has naturally become a "key project" for all people, and all needs are met with the highest priority. It's the same treatment as the last time a ship was relaunched.

However, apart from Lin Hanlong and the three or four brothers around him, most of the people here did not have any intuitive concept of building a hydropower station, and Pang Yu was quite worried about this, after all, this is a very technical job, and it is easy to make mistakes when a group of rookies do it, and once they make mistakes...... For example, if the wrong circuit burns out the motor, they don't have a replacement here.

Lin Hanlong was quite prepared for this, and in order to boost morale before starting work, he invited everyone to watch a movie. Everyone was quite happy at first, after all, they came to the Ming Dynasty for two months, and their personal spiritual life was extremely lacking, and the dozen or so decks of playing cards on the ship had already been broken.

And Lin Hanlong also said: The film shown to everyone this time is a new film that no one has seen before!

Two hours before the movie starts, countless heads have accumulated in front of and behind the screen. When the music started, the noisy voices suddenly disappeared, and everyone waited with bated breath. Finally, a line of big words appeared on the screen:

"Construction of Small Hydropower Stations in Rural Areas"

…………

One hour and twenty minutes later, all the members of the engineering team finally yawned and watched this educational film, they had no way to escape, otherwise they would have slipped away like other unrelated personnel.

But just as everyone got up and was about to leave, Lin Hanlong, a cunning guy, suddenly jumped out again and said unhurriedly - don't go! The previous screening was only an instructional film, and the following will be a more light-hearted entertainment film.

No one cheered, because everyone was asked to keep quiet, so as not to invite Aunt Hu Wen and other girls who had returned to sleep in the girls' dormitory...... Basically, the night was quite fun. In particular, the dozen or so local laborers who were allowed to join the engineering team for this important project because of their outstanding performance - they returned with weak legs, and many of them had nosebleeds.

This trick really boosted morale, and everyone had no complaints in the face of the arduous work of damming and digging ponds for more than ten days. The Wenlan River flows so much water that it is unrealistic to build a dam on the river that mimics the modern Baiyantan Hydropower Station, even during the dry winter season. However, fortunately, the scale of the reservoir required by this small power station is not large, and Lin Hanlong and Pang Yu have already discussed it in advance: make an idea on the tributaries next to it, and one of the tributaries has a small waterfall with a natural drop of more than five meters, which can be used.

An aqueduct three meters wide and one meter five deep was excavated upstream of the waterfall. The guò aqueduct leads the water flow to the cistern, and an overflow tank and aqueduct are also set up next to it. Normally, the water from this tributary rushes downstream of the waterfall through a very steep diversion channel in Guò, where the generator is set up at the bottom of the channel. After the pad is deepened, the water head drop here will reach 10 meters, which is enough for the turbine to work properly.

After the interception, the river is basically cut off into a stream, and only when there is too much water upstream, the excess water will flow through the guò overflow channel to the original channel, at which point the small waterfall will reappear.

The bricks used for the base of the power station were the bricks of the old city that were dismantled from the city gate - the bricks of that city were of better quality. The cement used a few packages of modern products loaded on the ship, because the plaster burned by the brick kiln outside the city could not ensure the solidification strength in the water, so modern goods had to be used, but this was also the only few bags of cement on the ship, and there was no stock when it was used up.

In addition, after a special application, reinforced concrete was used in some key parts. Previously, more than a dozen tons of building materials and steel bars were found in the cargo hold of the ship, but the military team had already decided to keep these high-quality steel materials for weapons, and Pang Yu said a lot of good things before he called up some.

Hydraulic turbines, generators, governors, automatic voltage and frequency stabilization devices...... As well as the supporting water pipes, valves and other things are all finished products carried on the ship, and the number of spare parts carried by Lin Hanlong is relatively sufficient, but it is impossible to replenish them anyway.

"We don't have the materials to do it a second time, so be careful when installing the equipment and don't mess up the base and equipment!"

Lin Hanlong carefully paid attention to every step, and many key places insisted that he do it himself, and the construction period was quite delayed, but this kind of caution was completely worth it, and so far, all the equipment has been installed normally.

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