Happy Chinese New Year's Eve, Wudoumi is here to wish everyone a family reunion, harmony and beauty, and a happy New Year!

"Sorry for the excuses, are you Chinese? Which country are you from? Fu Xin and Zhong Ying were immersed in the world of the two, when an old Chinese voice came from their ears.

There is a very difference between the yellow race, but this difference may only be clearly distinguished by the yellow race itself

Fu Xin and Zhong Ying were not annoyed by the old gentleman in front of them who spoke standard Chinese and had a white young head disturbing the world of the two, on the contrary, the two felt a sense of intimacy coming to their faces.

"Old sir, we are Chinese, but we are not Chinese who have left our homeland, we are Chinese from Chinese mainland. Sir, what country are you from? Fu Xin replied in Chinese.

"It turns out that you are from the land of the motherland, and I am a French Chinese. My hometown is from Jiangsu and Zhejiang provinces. The old gentleman said kindly, and his tone was full of nostalgia for the motherland.

"The old gentleman is from Jiangsu and Zhejiang provinces, and the two of us are from Xijiang Province, old gentleman, we are neighbors!" Zhong Ying said happily that it is indeed not easy to meet old acquaintances in other places, and she is very happy to meet them.

"I have been out for 40 years, I came out after the end of the Anti-Japanese War in 45 years, I was a soldier back then, because I didn't want to participate in the civil war, I came out, and it has been 40 years......" The old gentleman said with emotion.

The old gentleman was very talkative, and after a while, Fu Xin and Zhong Ying almost knew the details of the old gentleman. The old gentleman's surname is Sue, and his name is Su Xinghe. Seventy-six years old, he used to be a national soldier. Because he was unwilling to participate in the civil war, after the end of the Anti-Japanese War. It has been 40 years since I resolutely chose to move overseas.

Abroad, he has his own family and his own children, but he has always missed his homeland, just because he was forced by the military order to share . Jun has fought, but he has not dared to go back, he is afraid of being caught.

"Little brother. Little girl, what about your situation? I've been saying that I don't know your situation yet, and you can tell me about your situation! Oh, by the way, the motherland has changed a lot now, I heard that a few years ago, the country began to carry out reform and opening up, is the country changing so much? There are already students who can travel and study abroad with the people of the motherland. It's also more. In the past, this was almost uncommon! Wake up and asked.

Fu Xin replied: "Old man, my name is Fu Xin, and her name is Zhong Ying." Xiaoying is my fiancée. Now that China is engaged in reform and opening up, you are very welcome to go home and invest in it! In recent years, there have been great changes in China. The people's lives are getting better and better, and they are beginning to have surplus food in their hands. However, people like us are able to travel abroad. There are still very few, it should be said that there are almost no in the country, and the two of us are special cases. ”

"Oh? Exception...... I understand! Su Xinghe's eyes lit up, and he immediately thought of something, Su Xinghe continued: "Your name is Fu Xin, you are last year's Nobel Prize winner in physics, some time ago, the Frankfurt International Machinery and Equipment Exhibition in the Federal Republic of Germany, I have also heard of you, a few days ago, in the place where I live, Paris, France, that Huaxing bicycle team, it's yours!" I've seen it in the newspapers. Amazing! ”

Wake up and give a thumbs up.

"Shame! It's a little thing, not enough to mention! Being awakened and boasting, Fu Xin's face turned red and he was embarrassed.

"These things are still small, I heard that this time the Chinese delegation brought back hundreds of millions of dollars in orders, in addition, the Nobel Prize in physics, is this a small matter? The Nobel Prize, if I'm not mistaken, you and Professor Zhao are the first people in China to tie for this honor. Wake up and praise.

"Uh...... I'm just lucky. Fu Xin's face turned red, and then he changed the topic and said, "By the way, old man, are you also here to travel?" ”

"It's not." Su Xinghe shook his head and said, "I'm here to inspect, I opened a restaurant here, that is. Su Xinghe said, pointing to a casual French restaurant in the distance.

"Oh, old sir, will you cook a French dinner?" Fu Xin asked curiously.

"Well, when I came to France, I was apprenticed in a French restaurant and learned how to cook French food, and now I have more than a dozen branches in Europe. But you may misunderstand, my French restaurant doesn't just sell French food, Chinese food, I also sell it, my restaurant is a Chinese and French restaurant. Wake up and explain.

"I see, old man, you are really powerful, alone, and you have played such a large family business." Zhong Ying said with a little admiration, but when she turned her head and saw Fu Xin, the Venus that had just risen in her eyes had fallen, this old man Su was more than a little worse than Fu Xinlai.

Su Xinghe blushed and said: "I'm ashamed to say that this restaurant is my inheritance of my father-in-law, my father-in-law has a daughter, that is, my wife, so his family business was inherited by me. ”

"Huh." Fu Xin smiled embarrassedly.

"By the way, I almost forgot, little brother Fu Xin, little girl Zhong Ying, I am here to invite you to my restaurant to sit down, by the way, I will cook it myself, let you taste whether my Chinese food skills have changed after so many years. Can you appreciate this face? Awake and warmly invited.

"It's not big...... Fu Xin said with some embarrassment. Of course, it is a happy thing to meet such enthusiastic Chinese abroad, but when it comes to disturbing people's homes, it is not very good.

"Sir, we appreciate your hospitality, but it's not good to disturb your house." Zhong Ying said politely that she knew more about the world than Fu Xin.

"I'm not happy about this, it's not very far from my shop, I invite you to a meal, and you won't give me face as an old man, I'm not happy." Su Xinghe said with a look of displeasure.

"Then we'll bother." Fu Xin saw that he woke up and looked displeased, so he had to agree.

"Then go now, it's almost time for lunch." Awakened and warmly invited.

Walking on the way to the restaurant of Su Xinghe, Fu Xin asked: "Old man, I heard what you said before, you have been to the Frankfurt International Machinery and Equipment Exhibition in the Federal Republic of Germany?" ”

"Well, I went there some time ago, because I also have a factory in France that makes sealed rubber mixers." Wake up and say.

Zhong Ying has some understanding of some industrial equipment because of Fu Xin, but that is only on the surface, and he knows some of Fu Xin's industrial equipment, and he has never heard of this sealed rubber mixer.

If you don't understand, you have to ask, this is not a shame, Zhong Ying asked: "Brother Fu Xin, what kind of machine is this sealed rubber mixer?" ”

Fu Xin replied: "The closed rubber mixer is referred to as the internal mixer, also known as the kneading machine, which is mainly used for rubber plastic refining and mixing. What people usually call an internal mixer is this evil sealed rubber mixer. ”

The internal mixer is a kind of machinery equipped with a pair of rotors of specific shape and relative rotation, which interstitively plasticizes and mixes polymer materials in a closed state with adjustable temperature and pressure, which is mainly composed of mixing chamber, rotor, rotor sealing device, feeding and pressing device, discharging device, transmission device and machine base.

The real meaning of the internal mixer, appeared in 1916, it was invented by Dr. Benbury of the American Farrell Company, called the Benbury mixer.

Since then, the power of the internal mixer has gradually been recognized, and it has shown a series of characteristics that are superior to the open mixer in the rubber mixing process, such as: large mixing capacity, short time, and high production efficiency; It can better overcome dust flying, reduce the loss of compounding agent, and improve product quality and working environment; Safe and convenient operation, reduce labor intensity; It is beneficial for the realization of machinery and automation operations.

Therefore, the emergence of the internal mixer is an important achievement of rubber machinery, and it is still a typical important equipment in plastic refining and mixing, which is still developing and improving. Basic knowledge of internal mixer basic structure

The internal mixer is generally composed of a mixing chamber, two rotors that rotate oppositely, an upper jacking bolt, a lower jacking bolt, a temperature measurement system, a heating and cooling system, an exhaust system, a safety device, a discharging device and a recording device.

The surface of the rotor has spiral protrusions, the number of protruding ridges has two edges, four edges, six edges, etc., and the cross-sectional geometry of the rotor has three types: triangular, cylindrical or oval, and there are two types of tangential and meshing.

The temperature measurement system is composed of thermocouples, which are mainly used to measure the temperature change in the mixing chamber during the mixing process. The heating and cooling system is designed to control the temperature of the rotor and the surface of the chamber wall.

When the internal mixer is working, the two rotors rotate relative to each other, and the material from the feeding port is clamped and brought into the roll gap to be squeezed and sheared by the rotor, and after passing through the roll gap, it hits the lower top and ties the sharp edge and is divided into two parts, which are respectively along the gap between the front and rear chamber walls and the rotor and then return to the top of the roll gap.

During the week of flowing around the rotor, the material is subjected to shear and friction everywhere, which makes the temperature of the rubber rise sharply, the viscosity decreases, and the wettability of the rubber on the surface of the compounding agent is increased, so that the rubber is in full contact with the surface of the compounding agent.

The compounding agent agglomerate passes through the gap between the rotor and the rotor, the gap between the rotor and the upper and lower top ties, and the gap between the inner wall of the mixing chamber together with the rubber material, and is crushed by shear, surrounded by the rubber that is stretched and deformed, and stabilized in the crushed state.

At the same time, the convex ridge on the rotor makes the rubber move along the axial direction of the rotor, which plays a stirring and mixing role, so that the compounding agent is mixed evenly in the rubber compound.

The compounding agent is repeatedly sheared and broken, the rubber material is repeatedly deformed and restored, and the continuous stirring of the rotor ridge makes the compounding agent disperse evenly in the rubber compound and reach a certain degree of dispersion.

Because the shear effect of the rubber material in the internal mixer is much greater than that of the open mixer, and the mixing temperature is high, the rubber mixing efficiency of the internal mixer is much higher than that of the open mixer.

When she walked to Su Xinghe's restaurant and sat down, Zhong Ying finally figured out what was going on with the secret mixer between Fu Xin and Su Xing and your words.

PS: I wish you all a happy new year and a happy family! (To be continued......)