Section 16 Meeting - Machinery and Chemical Engineering
Section 16 Meeting - Machinery and Chemical Engineering ()
The topic turned to the machinery manufacturing industry, which is Mr. Wen's profession. This topic mainly focused on what equipment to carry. Zhan Wuya had already contributed a small machinery factory, and he informed about the types of these equipment.
"Can these equipment produce the kinds of specialized machinery we need? Well, for example, boilers?"
"Theoretically, it's absolutely possible. Let's take my small factory as an example. It doesn't have much equipment, but as long as you have the right materials, general machinery and equipment can make it for you. Of course, my factory mainly processes various kinds of things for people.
There are all kinds of parts, but we have never made complex complete sets of machinery. There are also some small parts that we generally don’t make." Zhan Wuya scratched his head. He was not used to standing on the stage to receive consultations like this, "For example,
Various standard parts, oh-" He realized that many people did not know what standard parts were, so he explained, "They are mechanical parts used for fastening connections, such as screws, screws, washers, etc. It is best to use
Specialized equipment manufacturing.”
"Of course it's possible to make these, but it's a little more troublesome. We can make some special machines to make these standard parts.
"There are also various castings, gears, bearings, etc. These are not things that a small machinery factory like ours can manufacture. It involves special equipment, and some also require heat treatment and electroplating. I don't know much about this. Generally speaking,
Just buy ready-made parts or ask someone to process them."
"But gears and bearings are of great use. If they cannot be manufactured, it means that the equipment manufacturing industry is out of business."
"Then bring special equipment. For gears, you can use a gear hobbing machine. Bearings are more difficult..."
"A complete set of equipment for a bearing factory would probably cost over 10 million yuan."
"More than ten million is a small thing. How can you find so many skilled workers to do it?"
"We still need to implement local methods. We should try our best to use existing equipment. The investment in professional equipment is too high."
"The material requires a heat treatment furnace. The bearing retainer and ball installation can be done by hand, and if fixed, a punch can be used."
…
Then it entered a more complicated discussion stage. After muttering for a while, the discussion in the industrial group calmed down. They probably reached an agreement on the manufacturing methods and equipment of gears and bearings. Someone started to write a list. Xiao Zishan guessed that it might be one of the equipment lists.
class of things.
Wen Desi spoke at this time: "I suggest that in order to unify the accessories, there is no need to bring shears and bending machines. A few more punch machines can be used instead. Bring as many cutting tools and grinding wheels as possible. In addition, the machinery factory does not have
Milling machines and heat treatment furnaces, these are all required.”
"If we want to be as complete as possible, we also need broaching machines and boring machines, and there should be more lathes." Jiang Ye, who has been a lathe for eight years, said, "After all, lathes are the most basic machining equipment."
"How about preparing 8 lathes?"
"It's less, maybe 12. This thing is very useful."
"Where's the forging press? This one is indispensable."
…
While the mechanical discussion was going on in full swing, many people began to yawn. However, due to the restriction that they could not leave before the topic was over, they started their own small group discussion. For a while, the conference room was filled with buzzing sounds.
Wang Luobin suddenly stood up, without asking for the opinion of the host - the mechanical people in the industrial group completely ignored the host of the meeting - "We also need a small foundry, we can't forget this. And we will build engines in the future. This is a necessary condition. In other words, a single-cylinder diesel engine is simply a universal machine: it can go into the fields to cultivate the land and plant rice, go into the water to drive ships, go up the mountains to generate electricity, and can transport people and goods on the road."
"Small engines are not a big problem. Generally, cast iron is sufficient for agricultural single-cylinder engines. HT250 is good: it has good shock absorption; it has good casting fluidity and is easy to form. It is easy to cut during processing."
"Speaking of casting, I think of the problem of mold opening in manufacturing. This is a professional industry. You cannot make good products without equipment. You must have molds. The equipment required by the modern mold industry is too outrageous: 3D modeling, discharge Processing...this is difficult to handle."
"It's not that exaggerated. What you are talking about is that now, in the past, process designers would design and draw the mold drawings, then machine the parts, and finally assemble them by fitters - the level of the fitters is very important."
…
Slowly, the mechanical discussion subsided, and the industrial team also used a lot of paper. It seemed that they were somewhat confident. Wen Desi saw that Wang Gong was writing there with great interest, and he couldn't help but worry about this. Is the purchase order too long?
"I am Ji Sixui." A man with a beard stood up. Although he had a full beard, his face was baby-faced. "On behalf of the chemical industry group, I would like to express my strong protest." He said, "Chemical industry. The word "group" was specially emphasized, "The chemical industry is a very important industrial category, how can we all be included in the industrial group indiscriminately? They are all mechanical workers and have no connection with us at all. What!"
"As for the grouping issue, we will discuss it later. Let's talk about your views on the chemical industry first."
"Three acids and two bases. Our goal is to solve the production of these things.
"Let me first popularize basic chemical knowledge. The chemical industry we are going to talk about here belongs to heavy chemical industry and is the foundation of all chemical industries."
This time it was the mechanical staff's turn to yawn, but most people still watched his speech with interest.
"The chemical industry is the most versatile industry among all industrial fields. The products of the chemical industry are rarely end products. These products are mainly used by other industrial sectors. For example: sulfuric acid is used in the fertilizer industry, soda ash It is the glass manufacturing industry, synthetic ammonia is the explosive and fertilizer industry, etc. As long as we can solve the manufacturing of these basic heavy chemical products, we can solve many material manufacturing problems.
"Do you know how much you rely on chemical industry in your life? You don't know, so you combine chemical industry with machinery!" He shook his head, "What a tragedy!"
"Stop expressing so many emotions and just talk about chemical industry."
"Our basic chemical equipment requires a synthetic ammonia and combined alkali production system and a coking chemical system. These two sets of equipment can generally meet our basic needs, especially the synthetic ammonia equipment."
“What is coking equipment?”
"Coke oven?"
"No, to put it simply, it is a joint manufacturing equipment that uses coal tar to make various chemical products. It can make sulfuric acid, phenol, tnt, dyes, and, yes, sulfonamides."
"Sulfonamides are useful so we have antibiotics."
"Of course, the output is not very high, but it is usually enough."
"What about synthetic ammonia? Can it be used as fertilizer?"
"It is of great use to us. In short, without synthetic ammonia, we cannot produce nitric acid.
"Without nitric acid, we can't make explosives
"Of course there is also the fertilizer industry, which is more dependent on synthetic ammonia."
“In addition to complete sets of equipment, some spare chemical equipment must also be prepared: such as comprehensive towers, absorption towers, decarbonization towers, distillation towers, saturated hot water towers, various reactors, pressure-resistant pipelines, acid pumps, heaters...
I think 500-600 tons of materials will be enough."
"Well, can't we produce these things ourselves? Our machinery industry is still relatively complete."
"There is a material problem." Ji Situi said, "Unless materials such as stainless steel and polyethylene can be produced soon, I think it will be difficult to produce chemical equipment by ourselves within ten years."
"What about using glass and ceramics? The Eighth Route Army military industry used water tanks as reaction towers to make sulfuric acid. And many of the home-made chemical equipment used in the Great Leap Forward also used these things." Luo Duo spoke again.
"I don't know about this. If you can purchase modern equipment, there is no need to use indigenous equipment. At least the production efficiency will be improved a lot. Even the production environment is better than the indigenous method. If any of you like to use water tanks to make sulfuric acid, you have to
Think carefully about your dental problems.”
"I would like to ask, with these equipments, can we establish an organic chemical industry?"
"This, I'm afraid, will be difficult." Ji Situi thought, you really have to look forward to Shu. Is this organic chemical industry so easy to do?
"Then there will be no more nylon and artificial rubber." Someone lamented.
"What do you want nylon for, stockings?" someone teased.
"Black silk, meat silk... none of them can be missing."
When the atmosphere started to become a joke, Xiao Zishan had to put aside everyone's creativity and get back to the topic.
"It takes eleven years to tap rubber, but there are many places where rubber is used."
"We don't want to make condoms, why do we have to use rubber?"
This remark caused another burst of laughter, and the meeting once again fell into an endless discussion.
Xiao Zishan finally managed to calm everyone down.
"I think you want to have an organic chemical industry because you want plastics," Ji Situi said, facing the person who proposed building an organic chemical industry. The other person nodded, "Although plastic is our most common daily necessities, it involves
Some organic chemicals are very complex and we are unlikely to be able to make them - it's not just about the raw materials. But we can make celluloid and bakelite."
"Bakelite is very useful."
"If we want to build an electrical system, bakelite is very useful, but so is rubber..."
"The discussion on rubber will be discussed later by the agricultural group."