Chapter 53: The Steam Engine
In order to make a perfect steam unit, You Nanzhe locked himself in the workshop of the shipyard for a whole week, eating and sleeping in the workshop, and every meal would be served by an assistant to help him bring in meals, and no one would be disturbed at all at ordinary times, even he did not participate in the joint research team formed by the power crisis.
For the restoration and manufacture of the steam engine, the Executive Committee paid more attention to the development of industrial civilization from the steam age to the electric age in the various technologies accumulated in the development of industrial civilization, which is not to say that the people of the time travel can be completely made by knowing so much about it.
Just as everyone knows that the future is the information age, these are all developed as the foundation of the era of electricity and steam, without which it will not be possible to develop at all.
If you want to restore some industrial equipment, you must lay a good foundation, and you can't develop without a good foundation.
As a modern engineering student, You Nanzhe has not systematically studied the development history of steam engines, and he only likes steam power, so he usually makes some small steam power devices to play with when he is off work.
The difference between a small steam power unit and a large one, not that you have a model to follow it, as long as the parts are enlarged and then assembled together, it also involves the problem of materials and high temperature resistance, air pressure, we all know that the key component of the steam engine has a cylinder, this cylinder is used to collect steam and then convert it into a mechanical energy device, to collect steam first to consider the sealing performance and container pressure.
The air pressure and container of the large steam engine are different from the small experimental toys, each point must be taken into account, a month ago, the Manchester city base actually had a 20 horsepower steam engine, but this machine worked for less than three days before it completely shut down, because of the problem of cylinder sealing materials, the steam collected by the cylinder will always leak, and it cannot be converted into mechanical energy at all.
This is only one of the problems, the biggest problem is that there are cracks in the steel pipe of the outer part of the boiler, this problem is very big, at that time, You Nanzhe did not dare to raise the boiler to continue the experiment, this is not good, but it will explode.
After a period of key inspection and research, he found that the cracks in the boiler steel pipes were not due to the complete failure of the steel material, but also because the steel plate was too thick, and the temperature difference between the inside and outside was too large, resulting in the stress corrosion of thermal expansion and cold contraction.
The problem on the steel is mainly that the steel contains impurities such as oxygen and causes lamination, so it will cause cracks, and the other problem of the thickness of the steel plate is a bit difficult, and it takes many experiments to come up with the final data.
Because of the danger of doing this experiment, You Nanzhe generally does not let people get close to the workshop of the shipbuilding factory, just for fear of any accidents so as not to affect others because of himself.
"From this point of view, Lao You is a good person, if you put it in modern times, it is not much." Huang Qishui first affirmed You Nanzhe's character.
After telling Zhou Jun, Huang Qishui, and Xiao Dongping the reason why You Nanzhe stayed alone in the workshop to do experiments, all three of them expressed their appreciation for his self-sacrificing spirit.
"Minister Lin, we won't disturb the traveling workers if we are uninvited, but I have heard that many scientists are not allowed to be disturbed during experiments because they are afraid that their train of thought will be suddenly interrupted." Xiao Dongping asked with some concern.
"No, no, isn't it dinner time now, although Lao You is more serious in his work, it is not yet time to forget to eat, we came to him at this point, maybe he is eating."
Just at the stall where a few people were talking, Li Ziping, an assistant waiting outside the laboratory, took the initiative to come forward and greet several people in turn.
"Minister Lin, Huang Lao, Zhou Gong, Xiao Gong, hello, are you here to find the master? I just brought in the food for the master, and I'm thinking about it while I'm eating. ”
"Xiao Li, how has the wanderer studied the thickness of the inner and outer walls of the boiler, and has he found a solution? Lin Youde asked along with Li Ziping's words. ”
"I don't know this very well, but the master seems to be in a good mood in the past two days, just now, he occasionally mentioned that he was about to succeed."
Maybe the conversation outside was too loud, and it was heard by You Nanzhe in the workshop, it was Lao Lin who came, come in, I just happened to be looking for you. Because You Nanzhe has a good relationship with Lin Youde, he generally calls him Lao Lin, instead of calling the minister like others.
Walking into the workshop, I saw a big black bump with a length of about three meters and a width of eighty centimeters and a height of one meter six placed in the center of the workshop.
"This is the boiler made by the wanderer," Xiao Dongping stepped forward and looked around, admiring it.
"Hehe, what's good, this almost didn't explode, fortunately, it was a long drive inspection before loading it on the sailboat, otherwise, Lao Wang would probably send me to a military court."
"Xiaoyou, is your boiler still being tested?" Huang Qishui asked after observing for a while.
"It belongs to the test stage, I have done a number of data tests on the thickness of the steel plate, and finally set it at 0.25T, this thickness has not been cracked after temperature and pressure measurement, but the long-term operation test has not been carried out, once the 48-hour test, there is no crack, there will be basically no problem."
Since there is only one last step left, you should stop and take a break, and we have come to you to see how far your steam turbines are built, and we want to invite you to participate in the construction of small thermal power stations.
After listening to You Nanzhe's introduction, Lin Youde said the purpose of his and others' coming.
As soon as he heard about the establishment of a thermal power plant, You Nanzhe immediately thought of the steam unit related to himself, which was an important part of the power generation equipment of the thermal power plant in the early thermal power generation process.
"You plan to launch a thermal power plant, this difficulty seems to be more difficult than the construction of a hydropower station, in my impression, the basic working principle of a hydropower station is to push the turbine through the flow of water to turn the generator, and then there is the transformer equipment, which is much simpler than thermal power."
"Theoretically speaking, it is much easier to build a hydropower station in modern times, but with our current technology, the construction on the river is almost zero, and the risk is too great." Huang Qishui explained like You Nanzhe.
After listening to the explanation, You Nanzhe also understood that although there are relatively many thermal power generation equipment, if the key steam unit is solved, other problems will not be too big a problem to be solved by the few people present at the base plus the group.
"I see, but you can rest assured, the steam unit can be completely made, and I joined the thermal power plant construction team."