Chapter 76 Kiln firing bricks
The efficiency of the engineer Mu Ke is extremely high, and perhaps the names and addresses of these craftsmen in Fuxian County are all recorded, so it takes less than half a day to find all the people for her.
"Brother Sang, look, are these people I found for you suitable?" Muko brought the man to her.
Zheng Quqi looked at it at a glance, and all of them were some simple black and thin men.
Dressed in some gray and brown short clothes, with a sweat towel wrapped around her head, she shivered a little in the cold of winter, and looked at her curious and silent.
"No problem."
Because Zheng Quqi does not have any special requirements for masons, as long as they are experienced masons.
She first handed them over the required brick size, materials, and production methods.
After hearing this, the masons all reacted for a while.
The process is similar to their daily clay brick practice, that is, the viscous soil is beaten into a fine-textured cooked soil, and then put into the wooden mold for plasticity, and then demoulded, and the adobe is dried.
But what was unusual was that she asked for a lot of things that they couldn't understand, and the other thing was the size......
A young mason must have struggled for a while before he dared to ask: "This, this kind of large-size detached embryo, it is difficult to finalize, and there will be dry cracking ...... during the production process."
When Muko's gaze fell on him, he was stunned and shut up, not daring to continue.
"I know all of that."
Zheng Quqi understands that the traditional soil embryo in Fuxian County is relatively simple and rough because of the mud materials, so there are often problems such as dry cracking and wind and sand in the later stage, especially if the shape is too large, the soil cohesion decreases, and cracks are more likely to occur.
But she won't, because she also adds soot, grass stalks, chaff and other substances to increase the viscosity, and she doesn't need the brick embryo to be completely air-dried.
After hearing this, the masons felt that the black boy brought by the engineer probably didn't have any common sense to make adobe bricks, and was all imaginary to direct them.
If you make such a brick, it is estimated that you will not be able to use it.
"You know...... And let us do this? The mason muttered.
Zheng Quqi patiently explained to them: "Because I don't let this adobe brick dry slowly and naturally, but wait for it to dry and the water is slightly formed, and then send it to the kiln to dry before firing." ”
"This can't be burned!" The mason's eyes widened: "This is not a terracotta, and it can't be burned." ”
This is probably the person who has tried to burn bricks and ended up failing.
Zheng Quqi knew that most of the masons and potters in Fuxian County had never fired bricks.
First, because of the rank, the fired red bricks are not allowed to be used by ordinary people, and secondly, the folk potters cannot get in touch with the upper-level technology, no experience and no inheritance, plus they live in poverty, how can they spend that effort to study slowly.
"Whether it burns or not, you don't have to worry, just do what Sang Gong says."
Mu Ke is different from Zheng Quqi, she is used to discussing with workers in modern times, and pays attention to the principle that everyone is equal regardless of whether the job is high or low.
But in this era of royal power, the high officials crush people to death, and as a work official, Mu Ke's words are orders.
Since the ministry officials have spoken, even if they have doubts in their hearts and do not agree with Sang Xuanqing, they can only follow Zheng Quqi's words.
After finding a mason here and starting to make her specially customized brick blanks, Zheng Quqi went to the potters on the other side and asked them to directly open the kiln to fire the dry adobe bricks in the early stage.
These brick embryos should also be usable, she wants to open the kiln to fire a batch to see the effect, and then customize the brick embryos to have a more intuitive contrast.
Some of the methods of firing bricks are all books she has dabbled in before, and she really has not experimented with it herself.
But she believes that as long as she is willing to work and try, she can always achieve the results she expects.
At the same time, she also adopted some of the methods of her time, such as casting the name of the kiln on the bricks of the city, as well as the name of the potter, which was a strict quality assurance system for the city walls.
Muko said he agreed with her approach.
So when it came to the brick embryo firing link, which was the most testing technique, she specially found the largest kiln to carry out kiln firing.
To say that the burned bricks are more durable than the soil drying method, but it is not necessary to use burning bricks to solve the problem, but she wants to do it.
She went through a lot of hardships this time to climb Yu Wensheng's thigh, of course, she had to make the best use of his power and resources to do something she had wanted to do for a long time.
What she couldn't do alone, now she can make a mistake.
The feeling of the craftsmen and workshop craftsmen in the entire Fu County being dispatched by her to operate is simply not too cool.
She told the kiln workers to pay attention to the distance between the bricks when putting the bricks, otherwise the ventilation will be poor and affect the quality of the bricks.
The fire is big and the fire is small, and the time is short, and it is best to record these well.
The potter listened to her words and put the dried soil embryo into the kiln, and Zheng Quqi also moved it together, because arranging bricks into the kiln is also a labor job, and of course the more people, the better.
After they laid the bricks according to her request, it was time to burn the bricks.
In fact, it is not difficult to burn bricks, that is, to burn the fire, and burn until the brick embryo is completely hard and petrified, and it becomes a brick.
In order to be safe, she prepared two options.
Go up to the kiln, follow the kiln.
Let's test it to see which side of the brick is of better quality in the end.
When Zheng Quqi taught the potters how to burn bricks, how to pay attention, and even accurate to some small details, they were all surprised.
Craftsmen of this era basically attached great importance to the skills they invented or created, and paid more attention to their privacy, because no one wanted others to steal the results of their hard work without much effort.
But Zheng Quqi's idea was different.
First, this knowledge is the fruit of labor accumulated over thousands of years of cultural immersion, not her personal creation, as the so-called taken from the people, used by the people, there is nothing wrong with it.
Second, she also thinks that if everyone chooses to sweep the snow in front of their own door, then the society will not be able to promote development, especially Ye Guo is backward enough, Stalin has said that if you are backward, you will be beaten.
If you don't want to be beaten, you have to find ways to improve yourself, the country, and civilization, and finally feed these back to everyone who lives in this country.
If you want to burn this brick well, you have to wait for several days, and even after burning, you have to dry it for a period of time, and wait until the temperature is low enough before it can be baked, otherwise whoever touches the brick will have to be scalded into "big feet".
Zheng Quqi didn't want to wait for more time, so she thought of another way to fire green bricks and carry out a certain degree of manual intervention.
That is, when the bricks are about to be "cooked", let the kiln workers slowly inject water into the kiln from the top of the kiln, and the water slowly seeps down, and when it encounters high temperatures, it quickly turns into water vapor, and fresh air cannot enter.
Then, when the water injection is almost done, the kiln is resealed, and finally the whole firing process is perfectly finished.
This method will shorten the cooling time, greatly improve the production efficiency, and even have a certain degree of benefit for the bricks.
In the process of waiting for the kiln to open, Zheng Quqi took the time to go to the drying field again.
She saw that the masons were struggling to step on the mud and thrash, which was too labor-intensive and too slow.
So she gathered the masons and offered them a solution.
It is to dig a large round pit in the ground, lay a flat stone, then pour the mixed mud into it, and then bring a few cows.
The cattle are tied, blindfolded, and their leashes are kept within the mud pit, and finally they are used to step on the mud and stir instead of manpower.
This method has been well received by everyone, and even opened up their new ideas, which they plan to continue to use.
After all the preparations for the custom mud have been made, the next step is to carry out plasticization and degermination.
Because Zheng Quqi is customized with a large size, which is different from the traditional adobe embryo frame, it is necessary to re-customize a batch of mold frames, which is not difficult, basically during the period of mason and mud, she asked the carpenter to get it in advance.
There are hundreds of them.
To make more than 100,000 bricks at once, the workload is not a little heavy.
This work of de-embryonic work is cumbersome and hard, and it is estimated that a dozen masons will not be able to handle it, so Mu Ke directly found hundreds of idlers in the county, and with the advantage of numbers, he finally took off the embryonic work, and it was done by dividing five by two.
In this way, another ten days passed.
Finally, Zheng Quqi is looking forward to and excited about the first kiln bricks.
Since the kiln workers have experience in firing porcelain tiles, this kiln is relatively smooth.
But it wasn't very successful.
When Zheng Quqi got the finished product, he carefully compared the modern red bricks, and was a little disappointed in his heart.
The molding is molding, because the hardness of the brick is not enough, and part of it is cracked.
…… Sure enough, the terracotta bricks made from this kind of clay brick still do not meet the standard after all.
She was so ignorant of this outcome that she turned to the potters to ask about the problems.
The potters took the bricks and looked at them, and then smashed one of them with a hammer.
After the last discussion, he said to her excitedly: "This brick is indeed better than the soil embryo, this time it should be overburned, and the soil is too sticky, maybe it will be hard and firm with some sand." ”
It is worthy of being professional, and it only took a while to find most of the reasons.
Zheng Quqi never despised anyone, so she was often willing to discuss some professional issues with the craftsmen, because some practical problems sometimes could not be relied on by past experience.
If she has the opportunity, she should read more books on the construction industry in this world, learn more, increase her knowledge, and supplement her blank knowledge and common sense.
"I have customized another batch of brick embryos, and you will continue to open another kiln to fire when the trouble comes."
The potters were full of enthusiasm and nodded at her excitedly.
"Where, next time, we will definitely sum up the experience of this time, and we will be more careful in firing."
This was the first time they had burned bricks, and although the bricks were not enough to amaze them, the sense of success in creating a novel gadget made them excited.
(End of chapter)