Chapter 78 Innovation in Process
Frederick asked Schmidt and others to slowly debug the machine, while he and Koehler took a look at the paper being trial-produced.
"What do you think of those two machines?" Frederick asked.
Koehler replied: "I think it's very good. Schmidt is also willing to give it on credit. He said it was done with the school's research funds and can be paid back over time."
Frederick The corners of his mouth twitched.
They walked to a pile of thumb-sized wood chips, and Koehler said: "These are sawed with a saw. Compared with machines, it is very time-consuming and labor-intensive."
Frederick nodded and squatted. Pick it up next to the wood chip and observe.
Koehler continued: "The reason why the paper we produced last time turned gray was found because the pine bark in the wood chips was not cleaned."
"Schmidt's machine can just do it first. Remove the bark so that the paper can be whiter in the future."
Frederick nodded, stood up, and went to the side to watch the workers picking out the dark wood.
The thin wood chips that were picked out were taken to the stove outside and steamed in a large pressure cooker.
Frederick found that the workers poured the water after steaming the pine wood in the pressure cooker into a water tank to collect it, and put the lid on it. He asked curiously: "What is this doing?"
Koehler explained: "There is pine oil in the water after cooking the pine wood chips. This is an unexpected by-product and can be used in printing ink."
Frederick nodded with satisfaction. This didn't exist before, and at first Psyche's method was to steam the steamed buns through water, but now they steam them in a large pressure cooker, which saves a lot of time. I am very satisfied that they can show their subjective initiative.
The subsequent acid cooking process is the same. The thin wood chips and diluted slime acid are no longer cooked directly in a clay pot. Instead, the clay pot is covered with a lid and placed in a pressure cooker over water to heat. The time was reduced from the original three hours to one hour.
During the acid washing stage of wood chips, Koehler said apologetically: "It stands to reason that part of the used acid can be reused, but we haven't found a way yet."
Frederick was calm. He said: "It doesn't matter, we can study it slowly."
"The wastewater and residue must be processed well. The amount is still small and cannot be seen. In the future, when the scale becomes larger, the entire river may not be needed."< br>
In his previous life, he had seen the harm caused by industrial pollution in the 1980s and 1990s. It was no joke that a small factory killed animals and plants in a river.
Koehler immediately nodded and took note.
In the refining stage, several stone mills have used magic reciprocators as power, which is much more efficient than hydraulic power.
Frederick saw a few young students recording various data at the place where additives were added to the pulp, so he went over to take a look.
Koehler explained: "We record every process, every recipe and the results, and prepare to find the best from them."
"Last time we found that the printed paper was still It was very rough. After discussion, I felt that there were still gaps in the wood fibers, so I decided to add some finer grass fibers to fill it, and it had a good effect."
Frederick said with great satisfaction: "It's very good. Okay, that’s very good.”
"Different papers are used in different places. Once you master the rules, you can meet different needs."
Next to the papermaking trough, several workers skillfully used a net to scoop up the pulp.
Koehler took a copy net to show to Frederick and said distressedly: "Now we use a net made of copper wire, which will leave marks on the paper." Frederick smiled He said to him: "There is nothing we can do about it, but it doesn't matter. Just adjust the distance of the marks and treat it as your own line."
Koehler shrugged and said : "That's all I can think of."
Frederick took the papermaking frame and studied it, and said thoughtfully: "I think we can use thin copper wire to weave a pattern on it and leave a mark on the finished paper, so that customers will know which paper is our product. "
Koehler was stunned for a moment, and after thinking about it, he asked: "What pattern are you going to use?"
Frederick frowned and thought about it these days. Most of the trademarks are represented by animals and plants. Nowadays, many animals and plants are used. How about durian?
The problem is that probably only Psyche and Mrs. Sophie have seen this thing here. Mrs. Sophie’s logbook was empty for a few days. Later, it was said that it was because some sailors came ashore to look for fresh water. He picked up several "huge, thorny devil fruits" and returned to the ship.
He finally chose a traditional pattern, and used magic elements to draw a "" in the air, and then said: "Use a simple drawing of a castle, with a quill in the middle."
Koehler thought it was okay, so he wrote it down.
The paper taken out from the copying net is first pressed to squeeze out some water, and then put into the first roller dehydrator for dehydration. This dehydrator has a very smooth conveyor belt made of slime glue. , the paper is transferred between two smooth hard rubber rollers to press out a large amount of water, and then placed in the next dehydrator to use smooth steel rollers to press out the water and make it smoother.
"This machine was also made by Schmidt." Koehler said, "It is said that it was modified from a machine that already existed in the blacksmith shop."
Frederick nodded and said: "Yes. , these two rolling mills that were originally supposed to make steel plates were replaced with less powerful power sources, so it would be good to use them here.”
The steel rolling mills from the blacksmith shop were obtained, because there are jewelry craftsmen rolling them. Taking the manual rolling mill for making gold, silver and lead sheets as a reference, everyone just enlarged and strengthened the components, and finally succeeded after taking some detours.
The two dehydrators in front of us are actually made of recycled waste products. Their frames and screws are not strong enough in front of steel, but they are easy to deal with paper.
Frederick suddenly thought that the roller used in the rotary cutting machine for cutting wood just now should also be the product of a detour.
At that time, it was difficult to cast and forge such a long steel roller at one time, as the surface would be uneven, so someone proposed to assemble it in sections, but it later failed.
Frederick looked around, and then he and Koehler came to Katie's office.
This is like a laboratory, with colorful bottles and jars on the shelves along the wall.
"Are you back from playing?" Katie was mixing ink, "Are you hungry?"
The corners of Frederick's mouth curled up, and he found that her cheeks had been smeared with a rosy red at some point.
"It's too messy here," Frederick said quickly, "I'm going to Koehler's office."
After saying that, he gave Koehler a look, and then pulled Tarot, who had been following quietly, ran away.
When Katie appeared in front of Frederick again, her face was clean, and she pinched Frederick's face angrily. Frederick immediately felt that her fingers were greasy.
Talma, who was on the side, immediately took out a handkerchief and helped Frederick wipe the ink on his face. He didn't wipe it clean at once and rubbed it hard several times until his face turned red.
When Koehler saw this, he suppressed a smile and turned his head away from the legendary genius principal.
Frederick pouted and pulled Katie towards the printing place.
(End of this chapter)