If Lin Yan couldn't find the reason for the breakthrough, he wouldn't worry about it anymore, as long as the result was good.
Feeling excited, Lin Yan couldn't sleep for a while, so he found a book and started reading.
I don’t know when, but I fell asleep while watching it.
When I woke up it was bright. Lin Yan waited for a while and suddenly realized that today was September 5th, less than a month before the cold season.
There are a lot of things to prepare at home, I wonder if grandma has started doing them yet.
A Guru got up and looked around the whole house.
Due to the continuous land reclamation, the stacks of dried hay are piled high, and there is also a lot of firewood, which should be enough.
There were already fifty or sixty rats and rabbits in the pen, and the pen was packed to the brim. Lin Yan felt that the pen was a bit small, and it was not good to be so crowded. The rats and rabbits were all wilted and unable to perform.
Nowadays, the essential material in the cold season in Sun City is charcoal, which is very cheap. One penny can buy six kilograms, but Hua Hong is reluctant to spend this money, so he usually collects firewood.
Lin Yan thought, and went to buy some charcoal to prepare later. Anyway, her salary is enough. As long as she doesn't buy clothes, she feels that she is quite rich.
In the kitchen, there were four large bags of chestnuts, three jars of hemp oil, and various dried fruits and meats.
After checking it again, Lin Yan felt that Hua Hong's habit of storing food was always engraved in his bones. He was always preparing it for fear of running out of food.
In fact, many people have this habit. They used to suffer from hunger and cold, but even though conditions are much better now, they still can't change their old habits.
Hua Hong took good care of the house, but Lin Yan felt that he was just worrying. Just go do your own thing.
When they arrived at the papermaking workshop, Bai Chen had already arrived, leading a few people to move the vats.
Seeing Lin Yan, she said excitedly: "Why are you here?"
Before Lin Yan could speak, Bai Chen pulled her to the big vat, "This is the latest prepared slurry. It has been washed once and added with chestnut powder. I am going to filter it again before making paper."
Lin Yan looked at the yellow-brown slurry in the tank, with some impurities floating on it. She said, "Do what you want, I'll take a look first."
In fact, Bai Chen was very clear about the papermaking process and strictly controlled every link, but the results were far from satisfactory.
Lin Yan just came to see what went wrong, to help improve, and to ensure that the quality of each batch of yellow paper produced was consistent.
Now it is only a small-scale trial production, and the process is not stable. If the scale is expanded, it will be a disaster.
The entire process of papermaking takes a long time and requires manpower. If a qualified finished product cannot be produced, it will be a huge waste.
With Lin Yan here, Bai Chen's confidence greatly increased and he did the next work in an orderly manner.
The slurry is filtered by using several layers of burlap as filter cloth. After filtering out all the impurities visible to the naked eye, the slurry looks much cleaner.
Lin Yan made paper by himself and lifted the paper frame into the paper pulp so that the pulp remained evenly on the paper mold frame.
She looked at the papermaking mold frame and saw that there was very little pulp left.
"What's wrong? Is there something wrong with the papermaking template?" Bai Chen asked nervously.
Lin Yan said: "The papermaking template is not fine enough, and there is very little pulp left. We have to find a way to change it. Did you only do it once when you made papermaking before?"
Today's papermaking molds are made of finely woven cattail grass, which has good toughness and is resistant to water immersion. It looks smooth and has no gaps, but it can't contain the slurry even after being immersed in it.
Bai Chen nodded, "Yeah, copy the paper again, I've been thinking of ways to change the slurry."
She quickly reacted, "You mean, if you copy it a few times, the amount of pulp residue will be different, and the resulting paper will be different."
"Yes. You can't see the difference between one pass and two passes, but there must be a difference between one pass and five passes. Just use this batch to do an experiment and copy it once, twice, and twenty times. Let's compare the difference on the paper. "
Bai Chen and Lin Yan worked together and made ten pictures of each type. Mark it well, dry it slightly and put it in the baking room.
The temperature of the baking room is controlled at about 30 degrees to ensure that the water evaporates at the same rate and the paper produced is smoother.
After a busy day, the two of them were exhausted.
Lin Yan sighed: "It's more tiring than working in the fields."
"I'm used to it. I don't mind if I do it every day." Bai Chen's eyes were bright. "After two days of baking, the paper can be peeled off. I have a hunch that it will be successful this time. As soon as you came here, you discovered the loophole. I Why didn’t you think of this?”
"We'll wait until the results come out. Sometimes it doesn't feel right. Your paper pulp this time was very good. It's delicate and the consistency is well controlled."
In the next two days, Lin Yan and Bai Chen rushed into the papermaking workshop and kept observing the changes in the paper in the baking room.
Record every half hour, recording the entire drying process in great detail.
When the drying was completed, everyone's eyes widened when they looked at the flat paper on the papermaking mold frame.
"This looks like good paper. Every piece of paper is smooth and has no wrinkles."
"It just looks better than every time before."
Bai Chen suppressed his excitement and said, "It will be considered done when the paper is removed."
Lin Yan touched it and found it was slightly rough, but it felt much better than the previous yellow paper.
She activated her mental power and carefully began to peel off the paper.
When a complete piece of paper was peeled off, everyone cheered immediately.
Everyone thought that Lin Yan did a perfect job of peeling off the paper. The flat paper looked just like it was in the papermaking mold frame, without any wrinkles.
Not everyone can do this kind of job.
Bai Chen couldn't do this herself. She had done it many times, but she still couldn't achieve Lin Yan's effect.
The paper in Lin Yan's hand was made from paper. It was very thin and had good light transmittance when viewed against the sun.
"Lin Yan, take off one of each of the remaining samples for comparison." Bai Chen urged, her heartbeat speeding up.
This time the paper was copied successfully, so the remaining samples should also be successful. Let Lin Yan do it, and the paper he took off would look different. The comparison will be clearer and the results obtained will be more accurate.
Lin Yan nodded and carefully peeled off each sample, making a total of twenty pieces of paper. Her hands were steady and she made no mistakes.
People who usually peeled off paper in the workshop were greatly shocked when they saw the paper Lin Yan peeled off. They have done it themselves and understand the difficulty better. How on earth did she do it without any flaws at all.
Twenty pieces of paper were spread out on the table. At a glance, they looked almost identical.
But look carefully, the difference is very big.
From No. 1 to No. 20, it corresponds to the number of papermaking passes and the thickness of the paper gradually changes. From thin to thick, you can immediately notice the difference as soon as you touch it.
Bai Chen touched them one by one and was convinced that Lin Yan was right. The number of passes for making paper is very important. If you want to make thick paper, the more passes, the better.
She said: "This time it was a great success. Thanks to you, we will have paper soon."
Others in the workshop were also excited. They had been working hard for more than half a year, but with little success. Many people felt increasingly unsure.
But today, they are full of confidence.
(End of chapter)
