my scientific age

Chapter 312 Hand-cranked small ball mill!

The reason why Yulin is known as the Pearl of the Fortress is that it is similar to the south of the Yangtze River next door. Although it is located on a plateau, it has a flat terrain, dense water networks, numerous lakes and wetlands, hundreds of miles of fertile fields, and a total of hundreds of thousands of acres of arable land. There are 53 There are many large and small rivers, and the water resource reserves are second only to Qinchuan, which is [-] miles away.

In the Ming Dynasty, as the residence of Yansui Town, an important town on the nine sides, relying on Hengshan to defend against tribal invasions from the Mongolian grasslands, this place has been an important place in the north since ancient times. Yulin City, which is rich in natural resources and water resources, is like a pearl inlaid on the Loess Plateau. The northernmost part of it is shining brightly and dazzlingly.

In terms of prosperity, Yulin is even more prosperous than Yancheng, ranking first among the local counties in Shaanxi Province, second only to the capital Xi'an.

Today, Yulin is the main grain producing area in the base area, and more than [-]% of the grain is supplied by Yulin District.

"How did the organization arrange it after arriving in Yulin?" Yu Hua admired the northwest desert shrouded in twilight. Although he could not see the beautiful scene of the desert's solitary smoke, the endless flat grassland was still spectacular. After a while, he returned to When he came to his senses, he turned to look at Lu Junyu.

"The chief arranged to go to the Red First Division to rest." Lu Junyu replied.

"Master Red..."

Yu Hua nodded, thinking about this legendary army in his heart.

The Red First Division originated in Jinggang Mountain. The teachers built the framework themselves. After the formation, they were brave and tenacious, not afraid of hardships and dangers, and made many contributions. The most famous battle was crossing the Dadu River.

After the Eastern and Western Expeditions, the Red First Division was well-known in the north. The command team consisted of "One Chen and Three Yang". One Chen was the current head of the Military Industry Bureau, Chen Kang, and the three Yangs were Yang Wu, Yang Zhi, Yang Yong's three fierce tiger generals
This is Chen Kang's basic plate.

The headquarters of the First Red Division is stationed in Lantian Village, east of Yulin City. The name of the village is taken from Lantian County in ancient Guanzhong, which is about five or six kilometers away.

The Dodge truck steered steadily, slightly picking up speed.

Thanks to the construction of the Ming and Qing dynasties, the road conditions around Yulin City are relatively good, and trucks can pass through. There are both official roads and rammed earth roads built later. The road surface is hard and spacious, far better than the Yanyu when it came. highway.

Yu Hua felt the road conditions in Yulin City through the bumpiness of the Dodge truck, and nodded secretly. It was indeed right to choose Yulin as the steel plant. The current road conditions alone saved a lot of manpower, material resources and time.

With these ancient official roads and rammed earth roads as the roadbed, it is only necessary to lay a layer of concrete on it, and there is no need to bother to construct the roadbed.

"Comrade Lu, do you know where it is?" At this moment, Yu Hua suddenly saw a flat area, probably south of Yulin City, surrounded by two meandering rivers, covering an area of ​​about five or six square kilometers. .

"It's called Sanchawan, the confluence of Yuxi River and two other rivers." Lu Junyu looked in the direction Yu Hua pointed, carefully identified and responded.

"Sancha Bay..."

Yu Hua silently memorized this place.

Observing and recording the road and environmental information in the south of Yulin City along the way, a Dodge truck carrying everyone came to Lantian Village in the east and arrived at the division headquarters. Afterwards, Yu Hua met Yang Wu, who is known for his bravery and skill.

"Deputy Team Leader Yu, on behalf of all officers and soldiers of the Red First Division, I welcome you. I am a rough man and I don't know how to speak. During your inspection mission, the 800 members of the Red First Division will listen to your instructions. If you have any needs Even if I propose it, I, Yang Wu, will definitely be satisfied, and I will toast you with tea instead of wine." In the conference room of the division headquarters, kerosene lamps cast dim yellow light, and Yang Wu and three division staff officers stood in a military posture, holding cups in their hands, toasting to you. Yu Hua expressed his opinion.

"Thank you, Comrade Yang, I don't have any instructions. In the next week, I will conduct a comprehensive inspection of Yulin. I need a guide. Come, if it is urgent, I will have a chance to drink later." Yu Hua nodded and smiled, raised the glass, and put it to his lips. drink up.

Yang Wu and several staff officers nodded and smiled when they saw this.

Others do not know the identity of Yu Hua, but Yang Wu and the staff at the division headquarters know that the organization plans to build a steel plant in Yulin, and Yu Hua is the technical expert sent by the organization to inspect the site.

In the telegram sent by the old chief Chen Kang, there was a lot of information about Yu Hua and the steel plant. The Red First Division must fully cooperate with Yu Hua, any requirements must be met, and Yu Hua's safety must be protected.

This is a death order!

After drinking, the two sides had met. After a simple chat, Yu Hua was arranged to rest in a house in the division headquarters. Lv Junyu and three headquarters security guards stood at the door, and the other four from Hongyi stood outside the yard. Soldiers of the divisional guard battalion.

With the arrival of Yu Hua, the entire division's vigilance was adjusted to the highest level.

Some things, not afraid of 100, just in case, no one can guarantee that Yulin is [-]% free from enemy prying eyes.

The night was stable, and Yu Hua, who was exhausted by the boat and car, slept comfortably, and his heart was extremely peaceful. I have to say that eight Red Army veterans are on guard duty, and this kind of treatment is not available to everyone.

……

The next day.

In the distance, fish belly white was exposed, and it was already dawn.

The sky is densely covered with dark clouds, with layers of mountains and peaks, as majestic and heavy as mountains, exuding a depressing atmosphere.

It looks like a rainstorm is about to hit.

"Sir, the weather is bad today. It is estimated that it will rain heavily. Do we still need to go out?" Lu Junyu entered the house with a pot of hot water, opened the door, came to the kang, and said to Yu Hua, who was wearing clothes.

"How long will this rainstorm last?" Yu Hua frowned. It was about to rain when he arrived in Yulin.

"According to what Comrade Hongyi Division said, this torrential rain may last for two days. Yulin often rains for days, especially in summer." Lu Junyu replied.

"Two days? If I can accept it for two hours, Comrade Lu, pack up and we'll set off immediately." Yu Hua shook his head again and again when he heard the words. Two days was too long, and he couldn't wait.

"Yes, then I will prepare more clothes and supplies." Lu Junyu could only nod his head when he heard Yu Hua's answer.

The words fell, turned and left.

"Hopefully I can find the best spot within a week." Yu Hua thought silently in his heart, washed his face and brushed his teeth with hot water, and then continued to pack up his belongings.

Although the iron and steel plant was determined to be in Yulin after a meeting of the highest department of the Military Industry Bureau, this does not mean that all places in Yulin are suitable for the construction of iron and steel plants. Yu Hua must choose an optimal location as a starting point.

Soon after, the expedition was ready to go, carrying dry food, a change of clothes, and shelter from the rain. There were six people in total. In addition to five people from Yu Hua, there was also a soldier from the First Red Division who served as a guide.

In an uninhabited place, a guide who is familiar with the location and the situation is essential.

At the entrance of the division, six war horses stood. Yang Wu and the three staff officers whom they had met last night sent them off.

"Deputy leader Yu, I wish you success in finding the place that satisfies you." Yang Wu sent his blessings.

"Thank you, expedition team, let's go!"

Yu Hua clenched the saddle with both hands and stepped on the stirrup. He sat on the back of the horse in an unskilled and unfamiliar posture. He rode the most docile warhorse of the division and gave instructions to the members of the expedition.

The road of this inspection was rough and complicated, and it was far less convenient than riding a horse. As a last resort, Yu Hua could only learn to ride a horse.

Fortunately, the warhorse under him is extremely docile and obedient. Even if Yu Hua is a novice who is new to horse riding, and occasionally makes some wrong actions, it will not make her resist.

Well, yes, the horse is a girl.

The six horses of the expedition team galloped, left the division headquarters, and walked in the northeast direction.

"Power the headquarters, target No. [-] has set off." Yang Wu and the three staff officers raised their right hands in a military salute, and when Yu Hua and his party gradually moved away, they immediately ordered.

The communications staff immediately nodded and turned to leave.

As a large energy consumer, the iron and steel plant must be close to the water, close to the raw material supply site, flat terrain, and convenient transportation. Yu Hua hopes to find a place in the direction of Yulin to Shenmu that meets the above conditions as the factory site.

If not, then you can only choose Sanchawan.

The group left Lantian Village and came to the outside world. At this time, a scene of road construction in full swing came into view.

Thousands of soldiers and workers belonging to the Red First Division took turns with sledgehammers and pickaxes to beat the large pieces of gravel dumped on the ground, turning them into small pieces, which were then loaded and transported by wheelbarrows to the In a special place, another team of soldiers is responsible for mixing the gravel and soil evenly, and laying them on the preset road area with a width of 12 meters.

The entire construction process has a strict division of labor, clear organization, and strict compliance with standards. The construction is almost carried out with the highest efficiency of manpower.

This is building a gravel soil roadbed in preparation for the cement road surface to be laid with concrete in the future.

There is no mechanical equipment, no construction vehicles, no familiar breakers and stone breakers, everything is done by hands.

There are still five Red Army construction teams like this, which are going to each preset road section between Yulin and Shenmu, and multiple sections are being constructed at the same time. In addition, several cement and clay kilns are also under construction.

And this road is the Yushen Highway that was determined after a meeting and discussion.

Looking at the construction scene of Yushen Highway, these soldiers started to work before dawn, sweating like rain, Yu Hua smiled: "Come on."

"Boom!" A loud bang resounded through Yulin City through the dim sky.

storm!
Storm is coming!
"Drive!" Yu Hua took a deep breath, shouted, and gave instructions to the docile horse under him, and the running speed increased again.

Lightning flashed in the sky, and the momentum was huge. After a while, the long-brewed storm poured down, and countless pearl-sized dense raindrops cut through the sky and watered this northern land.

The six war horses marched in the face of the rainstorm.

Come on, come on for a new future, let the storm come more violently!
When Yu Hua left to inspect the site, the equipment and materials for the oxygen top-blown converter project in Yancheng, except for the air separation equipment and oxygen lances, were transported to Yulin.

……

Blink, it's been two days.

Linfen Railway Station.

"Squeak!" A sharp and harsh metal friction sound came out, and the entire freight train loaded with goods slowly entered the station and stopped at the unloading area.

"It's finally here, let the comrades unload the goods as quickly as possible." Luo He, who personally escorted the goods this time on the train, looked at the familiar appearance of Linfen Railway Station and breathed a sigh of relief.

After four days and three nights of running around, the freight train starting from Tianjin Wei Port, carrying more than [-] tons of German-made mechanical processing equipment, finally passed the Ping-Tianjin war zone, and took a lot of time to transfer trains in Zhengding, Shimen. , and finally arrived in Linfen safely.

But it's not over yet!

Only when it is truly transported to the base area can it be considered safe.

Next, open the wooden box and transport the metal parts one by one to Matouguan by land transportation, cross the Yellow River, and reach Yancheng.

When the train stopped steadily, members of the organization disguised as workers in the unloading area stepped forward one after another and began to disassemble the goods according to the predetermined plan, carefully loading and transporting precision parts one after another.

When the German-made mechanical processing equipment arrived in Linfen, some changes had taken place in the Liushugou Industrial Zone in Yancheng. In just a few days, the arsenal organized workers to train and learn the production technology of manual custom-loaded ammunition, and had successfully trained three batches of workers. The professor used lathes, electric furnace steel and gray pig iron to create a group of serious human-powered lathes.

The pedal-type transmission structure connects the flywheel through the crank, and then amplifies the torque through the gear set, and successfully makes the spindle reach the speed of turning the steel core. Due to the design problem, this human-powered lathe requires three people to operate, one for turning and the other two. act as a powertrain.

After the basic performance test, the main performance of the human-powered lathe was fully up to standard, and it was mass-produced and put into use. During the war, everything was so fast.

Based on the reloading bullet workshop, the Liushugou Arsenal was rebuilt and expanded into the first-phase fixed-loading production workshop. All four manpower lathes were put into use, and the daily output of fixed-loading ammunition reached 750 rounds.

The entire first-phase fixed-loading production workshop can accommodate 300 human-powered lathes. According to the maximum daily output of 6000 rounds per unit, the designed daily output of fixed-loading ammunition is as high as 12000 rounds. The planned target of the second-phase project is as high as 2 rounds per day. The third-phase project The planned target is to produce [-] rounds per day.

Of course, whether it is Phase II or Phase III, it is impossible to achieve it in the near future.

The hand-loaded ammunition is on the right track here. In addition, the hand-cranked small ball mill and the two-stick skew rolling mill inspired by Yu Hua have been manufactured by Professor Zhuang day and night.

The principle of the ball mill is very simple. A drum similar to a cement mixing barrel is filled with hundreds of metal balls, and small pieces of ore are sent into the drum for circular rotation. Finally get the mineral powder.

Generally speaking, ball mills are driven by electric or diesel engines, and there is no such condition in the base area, so choose to add a set of gear ratios, amplify torque, and drive by human power.

The whole small ball mill is equipped with five people at a minimum and eight people at a high level. The grinding time and grinding efficiency are determined manually.

To be reasonable, if this kind of machine is placed in the future, the person who develops this machine will definitely be scolded as a capitalist dog-legged super Plus.

A total of two small hand-cranked ball mill prototypes are assembled in Liushugou Iron Works. The iron ore grinding efficiency and output are two orders of magnitude higher than the efficiency of swinging a sledgehammer, which is widely praised by Liushugou mining fighters.

The sixteen warriors who controlled the two ball mills became heroes in the eyes of the warriors and were called the Sixteen Warriors.

The pressure was immediately placed on the mining team. There was no way out. With the ball mill, the grinding efficiency of [-] people was much higher than that of a mining team with hundreds of people.

In order to mine enough iron ore for smelting, the soldiers of the mining team swung harder with their sledgehammers.

Grinding efficiency +100, mining efficiency +3.

(End of this chapter)