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At noon, when the sun is at its strongest, the fierce sun burns the skin, and the sea breeze blows, but it does not make people feel too hot.

The summer in Kaohsiung is very sunburned, in fact, the weather is not too hot, Jiang Zhiang wiped the sweat on his head, and then looked at the big copper pot that was being hoisted, and the soldiers of the box army who held the copper pot with their hands around them, their whole bodies were almost soaked, in order to hang the big copper pot weighing more than 800 catties on the stove, they had to use a triangular bracket and pulley group, a few people held the copper pot, and the other few people pulled the rope hard, trying to lift the big copper pot on the stove.

"One, two, three, come again!"

Fang Dengyue shouted loudly on the side, directing the two groups of people who pulled the rope and the iron pot to cooperate with each other to hoist, but it was obvious that Fang Dengyue's command was very bad, and it took a lot of effort to command this group of soldiers to stack the big copper pot on the stove, Fang Dengyue shouted for a while, under his command, moved left and right, and finally put the big copper pot in the right position.

After the big copper pot was successfully put in place, Fang Dengyue felt a sense of accomplishment, and while wiping his sweat, he said to Jiang Zhiang:

"Brother Jiang, I finally put this big copper kettle in the next place, everything is ready, just wait for the fire to start working."

Jiang Zhiang smiled, this copper steam boiler, some people call it a big copper kettle, but Fang Dengyue calls it a big copper kettle, in fact, it really looks like a huge copper kettle.

Since Jiang Zhiang worshipped Mao Geng as his teacher, he was instilled with some new concepts by Mao Geng. Mr. Mao has his own shipbuilding book, quoting Mr. Mao as saying, for example, it is not difficult to build a hull, the difficult thing is to build a fast and good sea ship, and it is difficult to build a fast sailing ship that can sail against the wind, but the best ship is not a sailboat, but a steam-powered ship. And all that.

What kind of ship is a steam-powered ship? Is it really like the story made up by Chen Liang, you can sail in the sea without sails? At the beginning, Jiang Zhiang was also full of questions. However, when Jiang Zhiang and Tan Xiaochun and Yi Bojun listened to Mao Geng's lecture on the principle of steam power, they were a little enlightened. In particular, Jiang Zhiang saw the magical demonstration of the steam-driven model with his own eyes, and Jiang Zhiang was fascinated by steam power after that.

In the laboratory of the technical department, there is a model of a steam-driven impeller turning, but it is just a small copper kettle, well, Mr. Mao called a miniature steam boiler. Burn a fire under a small copper kettle, and soon a copper pipe sticking out of the copper kettle will emit steam, and after a while, the steam flow will push the small impeller to rotate whirring, wow, it's really wonderful! But when you think about it, it's actually the same thing as the rushing water pushing the wheel to spin.

But it's just a small impeller, on the other side, the impeller that Tan Xiaochun and Yi Bo are directing people to install is a big guy, and this huge impeller also drives the crocodile crusher - it can be called a bunch of iron lumps covered in iron, can the steam spewed out by this big copper kettle work?

It is said that Fang Dengyue mixed into the team of conquering Taiwan this time, and after occupying Taiwan, the imperial court really fulfilled its previous promise, and Fang Dengyue was thus honored as the undertaker, and suddenly went to the level of the eighth grade. Well, if you have an official position, you have to have a dispatch, and it just so happens that the cement workshop needs to send an official management team, so Fang Dengyue took the opportunity to become the temporary manager on behalf of the official - deputy manager, but there is more than one deputy manager, and Fang Dengyue is one of them.

In any case, being an executive of the most profitable state-run enterprise in the Great Song Dynasty is always something to be proud of. The problem is that Kaohsiung is not rich in hydropower resources, and it is really difficult to scale up hydraulic gravel, although several dams have been built before to make better use of hydraulic power, but to increase the production capacity of cement, it is necessary to scale up the grinding of gravel. It is obviously extremely unrealistic to expect a river more than 20 miles long to provide unlimited water power.

For this reason, Fang Dengyue was very frustrated. But soon after, Temao Geng revealed a good news, considering that there is not enough hydropower, and the production capacity must go up, there is a way, that is, on steam power.

What is steam power, Fang Dengyue doesn't know why, but Mao Te's ability is strong, and he will definitely not disappoint.

After that, after Fang Dengyue's several inquiries, he also roughly understood what steam power was about.

But Yan Xiaojiang, who was following Fang Dengyue, didn't know anything about the magic of the big copper kettle in front of him, and he was even more confused about the various mechanisms that were fiddling with all kinds of mechanisms on the other side, so he couldn't help but ask out loud at this time:

"Lord Vice-President, the mechanism over there seems to be --- so difficult to adjust, I don't know when it will be good?"

"Xiao Jiang, what do you know! With Brother Jiang's Senior Brother Tan and Senior Brother Yi doing it, what other problems can there be that are difficult to live in! If it is not expected by the official, it should be installed tomorrow, and then it will be able to test the machine. Brother Jiang, I'm right! ”

Jiang Zhiang still admired the skills of Tan Xiaochun and Yi Bojun, and subconsciously nodded, agreeing with Fang Dengyue's opinion.

The impeller being installed over there is a wooden impeller, made by Tan Xiaochun, which is said to be enough to withstand the impact of steam, and is covered with a wooden disc in order to allow the steam to condense and circulate. Jiang Zhiang was a little skeptical that the wooden impeller could withstand the impact of high-temperature steam, or Mr. said it well, in the future, it will be replaced by steel, this first impeller is temporarily made of wood, anyway, it is real, and it can be used for as long as it lasts.

Listening to the top boss Fang Deputy Manager packing the ticket and saying that he would be able to test the machine tomorrow, Yan Xiaojiang's mood was a little encouraged, because before this, this cement workshop was too embarrassing, knowing that Da Song needed countless cement, but Leng just couldn't fire it, and it couldn't be fired out in fact just because it couldn't grind the powder, Fang Deputy Manager could only produce a pitiful little bit of cement every day, and his face was green all day long. It seems that several times the deputy manager Fang is angry and ready to change the court, it is obvious that he is also the deputy manager, and Lu Xingzhan on the other side of the table is much more angry.

"Master Vice-Li, if you light a fire here, can that iron guy over there really move and smash stones?"

"Xiao Jiang, look at you, you haven't made much progress under your own officials, how can this work! Let me tell you, as soon as the fire is lit here, steam will come out of this big copper kettle, you know! You think, such a big copper kettle, the steam is bubbling up, is that steam! How powerful the steam is, as soon as the steam is sprayed, the water wheel over there will whirring and turning, whirring and turning, understand! And then the mechanism moved, and that iron guy was like a crocodile, you know! No! That iron guy is much more powerful than a crocodile, no matter how hard the stone is, as long as it enters the mouth of that iron guy, without exception, it will be crushed into powder, understand! ”

Jiang Zhiang couldn't help but laugh a little when he heard Fang Dengyue's specious flickering, and almost laughed.

When Fang Dengyue talked about Xingtou, he seemed to have forgotten something, and turned his head to ask Jiang Zhiang:

"Brother Jiang, that iron guy is called a crocodile --- crocodile stone crusher, right?"

"Crocodile crusher, that's what Mr. Mao said."

"That's right! A crocodile crusher like a crocodile. ”

Jiang Zhiang could no longer stand the display of Fang Dengyue's thunderous man, so he had to go straight to see the installation of the impeller and the crocodile crusher.

The next day, a high-level curiosity came to the scene, and this curious person was Han Yanxuan, who obviously knew less than Yan Xiaojiang.

It's still a hot sun, although the copper boiler hurried to erect a shed after the hoisting was completed, Jiang Zhiang was standing in the shed with Han Yanxuan at the moment, feeling that it was three points hotter than yesterday, so he had to wipe the sweat on his head from time to time. The fire was burning in the big stove under the copper boiler, scorching the air in the entire shed.

Han Yanxuan was also sweating, but all his attention was focused on the steam power that Jiang Zhiang praised wonderfully, but he didn't feel the heat.

I don't know who shouted, "Turn, start turning!" Sure enough, the two big wheels began to start slowly, slowly began to add, and soon flew and turned.

"Why doesn't that crusher move?"

Han Yanxuan thought that something was wrong with the organ, and questioned it on the spot.

"My lord, it's like this, those two friction discs must first be turned high, and then the mechanism can be manipulated to drive the crusher."

The crocodile crusher designed by Mao Geng is different from the crocodile crusher of later generations, of course, there is no difference in principle, but the design principle of the screw press of later generations is copied in power transmission. It can be said that this jaw crusher combines the advantages of crocodile crusher and screw press, the friction disc drive can avoid overload damage, and the biggest advantage of the screw drive is that it has a power amplification effect. The transmission of power is as follows: steam drives the impeller to rotate, the impeller power is conveyed, and the left and right two friction discs are driven to rotate, and under the action of friction, the friction disc drives the flywheel to rotate forward and backward, and the screw rod is connected to the flywheel, which advances and retreats, and the cycle goes back and forth.

As soon as Jiang Zhiang's words fell, he saw that the crusher had moved.

In an instant, this set of mechanisms has completed the power transmission relying on friction transmission, when the mechanism is closed, the left friction disc is close to the flywheel, due to the effect of friction, the flywheel with bristles on the rim begins to rotate forward, pushing the screw to move forward, and the hinge at the front end of the screw is linked to the four-link mechanism, and the screw drives the four-link mechanism forward, so as to promote the crocodile crusher two open iron plates to occlusive, these are two strong iron plates, the iron plate is carved out of a two-by-two opposite groove, these neat grooves are like rows of iron teeth, The stones that entered the iron plate were crushed in an instant.

On the return trip, the left friction disc is disengaged, the right friction disc is against the flywheel, the flywheel and the side friction of the friction disc obtains the reversal power, and the screw is reversed, so as to complete the return journey and pull apart the two iron plates that are occluded.

So back and forth, in the dazzled crowd, the iron plate one by one, the stones continue to enter the crocodile crusher, crushed, dropped, crushed and then dropped, this crocodile crusher is simply a stone-swallowing monster, a piece of stone is swallowed by it, digested into gravel and then discharged, in comparison, the ability of the water mill to break the stone, is simply weak.

"Compared to this, the water mill is scum!"

Han Yanxuan sighed.