my scientific age

Chapter 325 The first smelting test!

Ever since the convoy set off, Yu Hua, who was tired to the point of emergency, lay in the cargo box of the Dodge truck, squinting at ease with the soft thatch, not worried about the interception by bandits or assassination by secret agents.

There is no other reason, the security force is strong.

Not to mention the headquarters guard company, which is an elite team of all-hundred-fighting soldiers, the addition of forced artillery platoons is enough to make any bandits and regular army feel what firepower is.

Four high-quality 24 mortars, up to three bases of shell carrying capacity, plus four Czech light machine guns and M[-] hand grenades made by Liushugou, whose performance is no less than authentic German goods.

What is firepower?

This is!
What is the concept of three shell bases?
According to the latest "Regulations on the Base of Troop Ammunition" based on the performance parameters of the 60-year-old 30mm mortar, the level of transport capacity of grass-roots troops and the production capacity of the Military Industry Bureau, the standard for the base of one shell of the 90-type mortar is [-] rounds. And adding the three shell bases of the forcible artillery company means that it reaches as many as [-] rounds!
Ninety rounds per gun, 360 rounds in total for four guns.

This number may not seem like much, but for the Red Army, whose number of artillery shells has been hovering in the double and single digits for many years, it is really unimaginably rich.

To be reasonable, in order to ensure the smooth delivery of core equipment to Yulin, the Military Industry Bureau has invested heavily this time. With the headquarters guard company and the forced artillery platoon, let alone bandits, even a regiment of Zhongzheng can occupy three points. Firepower advantage.

With such a strong security force around, why not sleep well?

Without dreaming, in a deep sleep, Yu Hua slept for a full ten hours. When he woke up, he felt refreshed and refreshed, and his whole body and spirit returned to the best state.

"Chief, we're back." Lu Junyu reminded Yu Hua when he saw Yu Hua wake up and handed over the water bottle and dry food.

Yu Hua nodded, took the kettle, and nibbled at the jerky in his right hand. Looking at the scenery ahead, he said softly, "It's beautiful... After preparing for so long, our moment is finally here."

Yes, after more than 30 hours, it will be a moment belonging to 'us', a moment belonging to China...

The convoy arrived at the destination unimpeded all the way, and the Yulin City, like a pearl, came into view, and thousands of red clouds shrouded it, putting a red makeup on this vast and lonely important town in northern Shaanxi.

Red, dazzling and full of hope, has become the main color of this world.

Along the newly repaired and widened gravel road, the transport convoy was bathed in the sunset, and slowly came to the Sanchawan area where the heavy troops were stationed, and arrived at the steel factory.

With the arrival of the core unit of the air separation plant and the three-hole oxygen lance, Yu Hua, the first person in charge of the oxygen top-blown converter project, immediately issued the final assembly order for the test furnace without delay.

In a blink of an eye, the pilot furnace of Yulin Iron and Steel Plant was activated and activated like a machine, and entered a running state. One after another, technicians and workers of the Red Army who had undergone theoretical training entered their respective positions and worked according to the standard plan formulated for the first smelting test.

The power supply station of the iron and steel plant starts the diesel generator sets, outputs electricity, and supplies the whole plant. The ten-ton crane lifts and transports the three core units with a net weight of several hundred kilograms to the predetermined assembly area in turn, and then Yu Hua personally attends the stage to cooperate with the accompanying trip. The assembly team is responsible for the final assembly.

The final assembly link is undoubtedly one of the most technically difficult parts. The three core units must be precisely connected, and the assembly accuracy must reach more than 95% of the theoretical accuracy to be considered qualified, and the same is true for the three-hole oxygen lance assembly.

Accuracy and minimizing errors caused by human factors are the basic requirements for equipment assembly.

When the core equipment of the test furnace is being assembled, all the basic supporting facilities of the iron and steel plant are in a state of preparation. The worker team belonging to the blast furnace area will conduct strict safety inspections on the main body of the blast furnace and the production equipment such as the ignition pipeline in accordance with the regulations. To make preparations, two torpedo tank cars with a cubic volume pass through the 200-meter-long narrow-gauge railway, enter the blast furnace area under the traction of the motor, and wait at the outlet of the medium-sized blast furnace.

The coking area is not very busy. After all, the coke refining work has been going on since the completion of the construction, providing the most basic coke for various metallurgical tests and iron and steel smelting of the pilot furnace.

The sky was getting dark, and the bright starry sky emerged.

In the entire Sanchawan factory area, everyone sweated like rain, burning flames in their hearts, working tirelessly like a machine, and didn't care about the time that passed quietly.

A few hours later, all safety inspections in the blast furnace area were completed, and all inspection results passed. The sintering workshop announced that it had entered a state of full-load operation, and continued to produce sintered ore mixed with limestone. One report after another continued to emerge like mushrooms after a rain, and finally gathered here in Yuhua. , for decision-making.

However, Yu Hua didn't care about the preparations of the factory area, and he focused all his energy on the turbo expander weighing more than 800 kilograms in front of him.

The expansion unit is connected to the air cooling tower and the condensing evaporator. Its main function is to adiabatically expand the high-temperature compressed air to generate sufficient cooling capacity. From the perspective of the importance of the equipment structure, the expansion unit is the same as the compressor unit. The latter belongs to the heart and the former belongs to the lungs. department.

What Yu Hua has to do is to install this highly technical and vital 'lung' exactly where it should be.

The assembly work in the workshop continued, and the reorganization, control, and driving continued to cooperate with Yu Hua. The time passed slowly by one minute and one second, until eleven o'clock in the middle of the night. The first good news finally came out of the final assembly of the core unit of the equipment. The expansion unit was assembled and accurately connected.

Everything is difficult at the beginning. With the expansion unit with the most difficulty in assembly, it is only one step away from the birth of the world's first [-]-class air separation plant.

The steel-making principle of oxygen top-blown converters can be seen all over the world. Even a third-rate metallurgist can tell one or two things, but there is no core [-]-class air separation equipment as the basis for oxygen supply. To use oxygen to make steel is tantamount to a dream. .

This is the pre-technology that must be lit to realize oxygen steelmaking.

One hour after another gradually passed, and all the preparations for the first smelting test have been completed in all the infrastructure areas of the Sanchawan plant. In the plant, the atmosphere was quiet and serious. A worker and the Red Army soldiers stared at the metal giant like a hill The beast, with an air separation device that is two meters wide and four meters long, seems to be in everyone's sight.

Fifteen hours passed quietly, and 48 hours had passed since the first 32-hour countdown.

"squeak!"

A slight metal friction sound came out. Yu Hua stood in front of the compressor unit and tightened the last steel screw with an adjustable wrench. Soon, the screw was tightened and the tightening strength reached the standard.

Time freezes, and at this moment, the world's first [-]-class air separation plant was born.

"Finally completed, it took [-] hours in total, and it did not exceed expectations... The world's first [-]-class air separation equipment was born. In a sense, this is a milestone in the field of oxygen production, a historic moment. The most advanced and cutting-edge air separation equipment in the world has been born in the least industrially developed area on earth." Yu Hua stepped back three meters, wiped the sweat from his forehead, his eyes were reddish, staring at the big guy in front of him, feeling a sense of accomplishment in his heart full.

The sense of achievement is really overwhelming. There is no system to help. It all depends on the knowledge in my head and my hands. I have to say that this kind of step-by-step creating a feeling of cutting-edge technology is really great.

However, now is not the time to celebrate. The [-]-level air separation plant has completed the final assembly, and the three-hole oxygen lance equipment has also been installed. Next, the first smelting test of the oxygen top-blown converter will be carried out!

(End of this chapter)