Release that Witch Chapter 568: Dry distillation column

"Uh ..." Silvie looked at the shell for a long time, and looked at the design sketch of Roland for a long time before pointing at the detonator part, "It seems that this copper tube is not aligned with the top Nail."

"What about springs?" Anna asked, "Still stuck on both sides of the iron plate?"

"One is crooked."

"Left or right?"

Anna asked for details, and then wrote down the question one by one in the notebook.

After collecting the reasons for the failure, the next round of shooting -- four shots can just use all of the Asia's playback capabilities. In this way, the efficiency of improvement has naturally become higher than ever.

Unfortunately, the next two rounds of test firing also failed. Roland had to announce that it would continue testing tomorrow.

For Asia and Silvie, their work today is all over. After that, they can return to the castle to enjoy a delicious afternoon tea, or go to the convenience market to see if there are any novelties. However, for the Anna and Agatha, the grenade test is only a small part of the busy work. Especially for Anna, in addition to improving the fuze according to the cause of failure, she must then complete the development and assembly of steam turbine.

Roland was going to follow her to the Northern Slope backyard to see the progress of the steam turbine model situation, but personal guard Sean brought the news of City Hall.

"Your Majesty, Ministry of Construction Deputy Minister Lowes hope you can go to furnace, he said that the first retort has been set up.

...

As necessary facilities for Coking Factory, the ten retort towers planned are all set beside the furnace group at the foot of Northern Slope Mining area mountain.

Due to the heavy logging of brick-burning and iron-making, the furnace group has changed from a small open space of less than one thousand square meters in the beginning to a wide open area extending along the mountain. If it is not Roland, it is strictly forbidden for workers to use the woods near the town, it is estimated that there will not be even a tree left in the border area.

Although coal is now available, but the easy-to-obtain charcoal is still the main force of iron smelting. As the tree taking place is getting farther and farther away from the furnace group, workers are aiming at Northern Slope Mountain. On --, hundreds of logs are cut every day. It was broken, and then dropped from the top of the mountain. From a distance, there were already a small "bald spot" on the verdant peaks.

Roland naturally will not ask them to protect the environment in this kind of thing. As long as the rising dust will not affect the town, he doesn't care about cutting off Northern Slope Mountain. After all, compared with Impassable Mountains, this prominent small mountain range is just a trivial corner. There is Leaf to maintain the basic vegetation, so there is basically no need to worry about soil and water loss.

The flat land that has been reclaimed at the foot of the mountain has naturally become the most suitable place for Coking Factory.

Roland took Nightingale and personal guard through the noisy furnace area and came to the first carbonization tower. Lowes immediately came forward and saluted him, "Your Majesty, I built this double-layer furnace with refractory bricks according to your requirements. According to the drawing, the upper stove should be closed with iron doors, and the middle mezzanine is also set up. There are iron plates that can move freely, but I don't know who to make these two things. In addition, the copper pipes and chimneys of the small stove on the side are also complete. Except for these metal components, the rest has been completed.

Roland drilled into the furnace and inspected --. I have to say that as an old member of the original Stonemason club and an old friend of Karl van Bate, Lowes really has a good experience in masonry. The inner wall of the two-storey retort tower changes uniformly, and the gaps between each brick are basically the same. The brick seams are also staggered, and there is no straight seam. . You know, even if you use the same drawing, the finished product built by different people may be very different.

"Good job," he applauded after checking, "I will arrange for the iron gate and iron plate to be cast, after that you will only cover the refractory brick then it will be alright on its facing side."

"Your Majesty," Lowes hesitant said, "Can you tell me how this stove works?"

"Why, do you also want to be a coking worker?" Roland joked.

"Of course not," the other party quickly shook his head. "I have never built such a strange furnace before, so I can only rely on guesswork to describe the unknown details on the drawing. If I can know its specific usage and function , Not only can it be completed faster when building the second one, I can also improve in some uncertain places. "

So that's it, Roland laughed, "This type of furnace is mainly used for dry distillation of coal. You should have seen how charcoal is burned, right? This is similar, but the scale is larger. The lower layer burns, the upper layer bakes, The filler is all coal. "

"Roast coal with coal?" Lowes was surprised.

"Yes, coal can be converted into coke after dry distillation, and it can be burned at a higher temperature, which is a good fuel for steelmaking. In addition, several by-products are generated during the dry distillation process, and pipes on the tower wall It ’s used to collect them, not exhaust chimneys. "

"Then ... why would a small stove be built beside the stove?

“There must be no air left in the upper layer during retorting, otherwise the coal will burn directly.” Roland points to the hole reserved between the two furnaces. “The calcined limestone in a small furnace will produce a large amount of carbon dioxide. -- can be understood as a kind of Unburnable gas ... "

"Your Majesty, I know this," Lowes said, "I have taught this part in the evening class."

"That's easy," Roland was relieved. It seems that the popularization work is expanding the content a little bit under the efforts of Scroll. "CO2 will enter the upper layer of furnace through the pipes and all the air will be squeezed out, so that the coal can reach dry distillation. Effect. As for limestone, that is, the gray-white stone used to burn cement, Northern Slope Mountain is everywhere. "

...

After inspecting the No. 1 Tower of Carbon Distillation and returning along the same road, he stayed for a while beside furnace area.

Just looking at this busy scene in front of me, Roland can't help but feel agitated. All kinds of brick stoves stand side by side. At first glance, it looks like a neat red forest. Dozens of smoke columns rise above the forest. The gray, white, and black are intertwined with the plain-dressed workers and Backward appliances together constitute a picture of the times. More than a dozen steam engines are buzzing, pulling a conveyor belt to send a block of raw materials and charcoal into the blast furnace; track system is also laid from the mine here, and a small mine cart runs between the two , iron ore transport speed has long been different.

After the construction of the steelmaking plant and forging plant is completed, this place will inevitably become another core site of Neverwinter City. -- will be mined from ore to smelt into steel, and then converted from steel to various raw materials and sent to processing plants. The flower of industry will be bred here. And life, since giving humans Exceptional the power of the world, but also giving them the courage to overcome everything.