The new product is what Fang Xiaoyu is looking forward to the most, the method of roasting cigarettes, Fang Xiaoyu has let Xiaofeng study it, and even the paper used for cigarettes can also be made, but the acetate used for the filter is more troublesome.

Fang Xiaoyu doesn't have any chemical industry now, and it is almost impossible to make this kind of man-made fiber, Fang Xiaoyu wants Deng Jiaxiang to build a chemical plant first, but he calculated that if the chemical plant is large enough and the products are comprehensive enough, it will take at least a year, not to mention that the chemical plant is polluting, Fang Xiaoyu is ready to go to the northern subcontinent to establish it or move to other continents after the expansion of the Chinese territory in the future.

Compared with the chemical factory, the paper mill is much more convenient, the machine is made of small wind, very strong and durable, and it is much more advanced than other machines in the world today. Although the pollution of the paper mill is not small, Fang Xiaoyu feels that it can be built first, and then moved to the northern subcontinent later.

The papermaking machine does not need to be of high quality, as long as some ingenious people are selected from the immigrants and trained a little, and when the paper mill is opened, Fang Xiaoyu found that the demand for paper is also a lot, and making money is not slower than cigarettes. Despite this, Fang Xiaoyu dedicates part of his production capacity to the manufacture of cigarette paper. Although there is no acetate, cigarettes without filters can still be made, Fang Xiaoyu asked Xiaofeng to make some cigarette machines, and soon cigarettes were also made.

Fang Xiaoyu has never been controlled by others, and produced cigarettes, Fang Xiaoyu began to consider the source of tobacco leaves, although there are also tobacco leaves produced in the north, but because of the climate problems, the quality is not good, and the first choice to solve the problem in China is naturally the southwest region, where there is a tradition of tobacco since ancient times, but the territory of the Cheng family there is easy to be stuck by others, so Fang Xiaoyu mainly seeks to introduce it from abroad.

After sending people to investigate, it was found that the kingdom of New Guinea, the kingdom of Oahu and Siam were all good places to grow tobacco, and Fang Xiaoyu decided to buy a few plots of land in these places to establish plantations to grow tobacco leaves. Tobacco can also be grown in the northern part of the Savage Continent, Fang Xiaoyu naturally asked people to open up plantations, as for the tobacco seeds, they are still provided by Xiaofeng, they definitely grow quickly, and the taste is pure, which is several times better than the best tobacco seeds in the world now.

With cigarettes, you naturally need matches, otherwise it would be too bad for everyone to use flint and sickle like lighting a cigarette bag and pot, Fang Xiaoyu is ready to make cigarettes into a first-class product, and in terms of taste and grade, it will completely surpass the dry tobacco pouch and hookah commonly used in China.

The manufacture of matches inevitably requires the use of chemicals, and Fang Xiaoyu had no choice but to decide to establish a small chemical factory in Tongjiang Mansion first. Before the emergence of petrochemical industry, sulfuric acid and caustic soda were absolutely two indispensable raw materials for chemical industry, and sulfuric acid production required sulfur or pyrite, which were all available in Fang Xiaoyu's territory. As long as these two raw materials are burned, sulfur dioxide can be produced, and then industrial sulfuric acid can be produced by oxidation and water.

Sulfuric acid is very widely used in the metallurgical industry and metal processing, especially in the production process of non-ferrous metals. For example, when refining copper, zinc, cadmium, and nickel by electrolysis, sulfuric acid is used in the electrolyte, and the refining of some precious metals also requires sulfuric acid to dissolve other metals that are free of inclusions.

In the steel industry, iron oxides must be removed from the surface of steel with sulphuric acid before cold rolling, cold drawing and stamping. In the case of rolled sheets, cold-drawn seamless steel pipes and other steels with high quality requirements, they must be washed with sulfuric acid every time they are rolled. In addition, seamed steel pipes, thin iron sheets, iron wires, etc., must be pickled with sulfuric acid before galvanizing. In some metal machining processes, such as nickel plating, chrome plating and other metal parts, sulfuric acid is also used to clean the rust on the surface.

In the chlor-alkali industry, concentrated sulfuric acid is used to dry chlorine, hydrogen chloride, etc.; In the inorganic salt industry, sulfuric acid is used in the preparation of cryolite, borax, trisodium phosphate, disodium hydrogen phosphate, lead sulfate, zinc sulfate, copper sulfate, ferrous sulfate and other sulfates. Many inorganic acids such as phosphoric acid, boric acid, chromic acid, hydrofluoric acid, chlorosulfonic acid; The preparation of organic acids such as oxalic acid and acetic acid also often requires sulfuric acid as raw materials.

In addition, the coking chemical industry, the electroplating industry, the tanning industry, the pigment industry, the rubber industry, the paper industry, the paint industry, the industrial explosives and lead-acid battery manufacturing industry, etc., all consume a considerable amount of sulfuric acid. Even the acetate used in cigarette filters and the nylon to be manufactured in the future require a considerable amount of sulfuric acid. In the petrochemical industry in the future, the refining of gasoline and lubricating oil will also be used, and it can be said that there will be no chemical industry without sulfuric acid.

The simplest and most convenient way to make caustic soda is naturally electrolysis with salt water, but the current power equipment is not manufactured in Tesla's laboratory. The most rear, Fang Xiaoyu decided to use a more troublesome method to make it, and finally made do with it first.

Fang Xiaoyu first used sulfuric acid to produce sodium sulfide, and then hydrolyzed sodium sulfide to produce sodium hydride and copper oxide, and reacted at room temperature and pressure to generate caustic soda and copper sulfide precipitation. In this way, as long as the copper sulfide precipitation is filtered out, the caustic soda solution can be obtained, but the cost of this method is too high, and Fang Xiaoyu only produces a small amount.

The chemical industry is different from those light industries that are quick to get started and easy to make money, the chemical industry is highly dangerous and requires high quality of employees. Fang Xiaoyu had no choice but to train workers while building the factory, so that acetate and safety matches could not be made for at least three months.

Fang Xiaoyu used poplar buds to make gum, and then used gum and water to make paste-like antimony sulfide and potassium chloride, which were applied to the match stalk and sandpaper-coated with red phosphorus and pulled to produce fire. Although this kind of match is not very safe, fortunately, the red phosphorus used by Fang Xiaoyu is not the white phosphorus that is easy to ignite, and it is barely usable.

Just when Fang Xiaoyu was busy with his chemical industry, Xu Shouchang suddenly rushed from Luhai County to Tongjiang Mansion to find him. Fang Xiaoyu was a little puzzled, what was this kid doing here without supervising the construction of warships in the shipyard.

Seeing Xu Shouchang, Fang Xiaoyu split his head and asked: "The old shipwrights in the shipyard have never built ironclad ships, you are not staring there, what should I do if something happens?" Xu Shouchang said: "A few of my apprentices are staring, although they are still a little deficient in designing warships, but the supervision is enough." I came to you because I couldn't solve some confusion. ”

After speaking, Xu Shouchang spread out the drawings in his hand on the table and said: "Young master, according to your design, I drew a warship, but even if I use the full-caliber naval gun you said about the pipe retreat technique, it will not be able to meet the requirements." First of all, the ship has 14,000 tons but can only be equipped with six main guns, and the speed of the ship is extremely slow after such installation, only eight knots, and how can I not calculate what good this will do for concentrated fire? ”

Fang Xiaoyu said with a smile: "First of all, you have drawn this warship. Xu Shouchang was surprised: "Now the largest ironclad ship is about 9,000 tons, and this 14,000 tons is still small?" Fang Xiaoyu said: "First of all, the displacement must be increased to at least 18,000 tons, and in addition, the artillery must be turned into a twin installation. ”

Fang Xiaoyu changed the drawings as he spoke: "Then all the naval guns are arranged along the central axis, such four turrets, the front two and the back two are arranged, and then the bridge is heightened, the mast is changed to a triangular mast, and then the bow is changed to an external floating type, what do you think?" Fang Xiaoyu changed the warship on the drawing to another with a few simple strokes, which had a lot to do with his familiarity with various battleship types in later generations.

Fang Xiaoyu relied on the various excellent warship shapes in his brain, and selected a few more classic places to draw at will, if he let the ship-building master see it, he would definitely be shocked. However, at this time, Xu Shouchang didn't think of this layer at all, and his brain was already a little insufficient.

Looking at the drawings, Xu Shouchang's eyes widened and said: "In this way, the twin can save weight, the bridge can be heightened to increase the field of vision of the lookout, the triangular mast can resist lodging, and this floating bow can increase wave resistance." ”

Xu Shouchang deserved to study warship design, and directly guessed the advantages of these changes. Young master, you are so creative in how you change at will, you are more powerful than my teacher, can you take me as an apprentice. ”

Fang Xiaoyu smiled: "Of course you can, but I haven't finished talking yet." Xu Shouchang didn't care about this, he immediately knelt down and kowtowed a few times and said: "In the future, the young master will be my teacher, can I be by the teacher's side in the future, and ask for advice sooner or later." ”

A word to readers:

Finally busy, save some manuscripts today, and start to resume the daily three shifts tomorrow.