Chapter 459 Duplex Steam Engine

"How did you make it?"

The changes in Dengzhou made Xiao Ming very happy along the way. Now that the compound steam engine has made progress, he is overjoyed. The industrial revolution is just around the corner. How can he not be excited? Now he is thinking about applying steam engines to all walks of life.

As the two walked to Bowen College, Lin Wentao explained: "Your Highness, it's actually very simple, I connected two ports on the cylinder, one is the intake port at the front and the other is the exhaust port. When the piston moves to the top At the end, close the intake port and open the exhaust port. The condenser waiting for hot water vapor outside the exhaust port is the condenser. Close to a vacuum, and the piston is pulled down.”

After a pause, he continued: "Then repeating the action just now can make the piston cycle back and forth. As long as the crank and connecting rod structure are connected, it can become a crankshaft movement, and I tested it, the efficiency of the compound steam engine is Five times the Newcomen steam engine."

"Well, yes, Lin Wentao, this time, your School of Physics has really made a big contribution. In the future, Qingzhou will undergo earth-shaking changes because of your credit. This king has to admit that the School of Chemistry has really lost to you this time. , hahaha..." Xiao Ming laughed.

Lin Wentao said at this time: "However, Your Highness, the bore cutting of this cylinder is too slow, and the speed of producing a duplex steam engine is very slow. Can we use the first steam engine for the bore cutting of a lathe, so that we can make The work efficiency of the lathe has been improved many times. After all, the lathe of the water conservancy workshop is greatly affected by the water flow, and the efficiency is also very low.

"Of course, now your School of Physics doesn't need to do anything else. Now you and the Department of Equipment are working together to build a steam engine production line. Whether it's money or people, this king will sell the palace and make it up for you." Xiao Ming mouth out the rhetoric.

What he lacks most in his fief now is population, and the development of steam engines will greatly alleviate this problem.

"Thank you, Your Highness." Lin Wentao was delighted to hear Xiao Ming's promise.

The two went all the way to Bowen College. At this time, there were two steam engines in the physics laboratory of Bowen College. One steam engine was a Newcomen steam engine, and the other was a compound steam engine. Zhang Liu and other craftsmen were observing the steam engine in the laboratory. One of the two steam engines is moving up and down, and the other is cranking.

"His Royal Highness, Lin Wentao is a good boy. We just helped him produce the Newcomen steam engine, and they asked us to reassemble a steam engine." Zhang Liu said with a smile: "Now we are studying how to combine the boring machine and the steam engine. ."

Xiao Ming also saw the steam engine in the laboratory at this time. Seeing these two real steam engines, he suddenly felt that he had come to England during the Industrial Revolution.

Lin Wentao said at this time, "Your Highness, this steam engine is not just my credit, but the credit of all the students in the School of Physics. We developed the compound steam engine after researching and discussing together and solving problems."

"It seems that everyone is making progress. Well, this is what this king wants to see." Xiao Ming said, looking around the students in the School of Physics. "It seems that this king has to award you a collective medal of honor."

"Thank you, Your Highness." A group of students from the School of Physics said excitedly.

While everyone was laughing, Xiao Ming suddenly saw a small glass model of a steam engine placed on the podium in the middle of the laboratory. Below the model was an alcohol lamp.

He walked over and said to Lin Wentao, "You asked the glass workshop to make this glass steam engine?"

"Yes, Your Highness, glass is easier to shape, so we made this model according to the appearance of a double steam engine." Lin Wentao said: "Then the equipment department restored the steam engine according to the appearance of this model."

"This is a good idea. The equipment developed in the future can use the method of making glass models first." Xiao Ming said, and turned to the real double steam engine in front of him. This is a double steam engine made of pure steel and copper. It has an all-metal texture that is characteristic of the Steel Age.

Just by virtue of this steam engine, he already had the capital to catch up with European civilization.

Now the first steam engine in Dayu Kingdom was officially born in Qingzhou. The following problem is the mass production of steam engine and its application in various industries.

In this era, there are only two kinds of steam engine movements, one is the linear movement through the connecting rod, and the other is the rotational movement through the flywheel.

In order to speed up the use of steam engines on machine tools, Xiao Ming felt that it was necessary to teach on-site, so he gathered all the students and the craftsmen of the equipment department and began to talk about the movement of the connecting rod, the movement of the crankshaft, and the use of the flywheel.

"The connecting rod body consists of three parts, the part connected with the piston pin is called the small end of the connecting rod, the part connected with the crankshaft is called the big end of the connecting rod, and the part connecting the small head and the big head is called the connecting rod body, of which the small end of the connecting rod is called the connecting rod body. Most of them are thin-walled annular structures. In order to reduce the wear between the piston pin and the piston pin, a thin-walled bronze bushing is pressed into the small head hole. Drilling or milling grooves are made on the small head and the bushing to allow the splashing oil to enter. Lubricate the mating surfaces of the bushing and the piston pin."

After a pause, Xiao Ming continued: "The connecting rod shaft is a long rod, and it is also subjected to large forces during work, so in order to prevent bending deformation, you should use I-shaped cross-sections in the production of the shaft. This is because I The strength of the shape section is high enough, followed by the flywheel, which is a disc structure through which the steam engine can make the machine rotate..."

When Xiao Ming was talking, the picture began to appear in the minds of the students and the craftsmen. The connecting rods, crankshafts, flywheels and other structures of the steam engine flashed one by one. At the same time, the picture of the steam engine driving these components to move is also very clear.

With the current industrial base of Qingzhou, the steel required by the steam engine is not a problem at all, and the quality of the connecting rod, crankshaft, and flywheel is naturally not a problem, so he only needs to tell Lin Wentao and Zhang Liu how to use these components and how to make them? They have their own way.

After some explanations, everyone has a preliminary understanding of the use of steam engines. Many of them only understand that steam engines are to be developed, but many people do not understand the use of steam engines. Now they finally understand the importance of steam engines.

"His Royal Highness, we understand. After we go back, we will produce the flywheel." Zhang Liu said, Xiao Ming said very clearly, as long as a certain torque is applied to the flywheel through the connecting rod and the crankshaft, the flywheel will turn.