my scientific age

Chapter 389 The Birth of Truth!
The thick and thick metal columns, the round vise full of power, the rough and dark electrode steel ingot, the circuit pipelines as thick as a baby's forearm, and the main body of the test furnace that exudes an advanced atmosphere, all elements are composed of it. The most advanced cutting-edge technological creation in the world today - electroslag remelting furnace.

Following the order from Yu Hua, the chief engineer, the first smelting test officially began. The young operator at the console did not hesitate to follow the test plan and press the power button to activate the entire test furnace.

"Buzz!" In an instant, a subtle and high-frequency buzzing sound came out, resounding throughout the space around the workshop. The internal power grid of the test furnace established a physical connection with the external power grid. Then, high-voltage power from the external power grid continued to pour in like spring water. After transformer processing, it covers the internal network of the test furnace and provides abundant power supply.

All devices of the test furnace have been powered on and all production teams are ready.

"Unit 3 supplies cooling water to the crystallizer and low water tank. The crystallizer starts the main pump!" Yu Hua said seriously.

The chief dispatcher standing beside him quickly conveyed the order to Unit 3 and the crystallizer team responsible for cooling water supply. Immediately afterwards, the two units started operating according to the test plan. The cooling water unit opened the water valve and supplied water to the bottom of the main body of the test furnace and the crystallizer team. The crystallizer supplies cooling water. On the other side, after the crystallizer obtains the cooling water, the main high-pressure circulation pump is powered on and enters the working state.

As the power source of the entire crystallizer, the main high-pressure circulation pump plays a vital role. This is the power core for the continuous circulation of internal cooling water.

Soon, the crystallizer team and the cooling water unit completed the instructions, and the preparations for smelting were ready, and the information was fed back to Yu Hua.

"Controller, tilt the main body of the test furnace 25° to the right, drive the truck, lift the molten slag, and pour it into the test furnace." After receiving information feedback from the two units, Yu Hua nodded lightly, shifted his gaze to the main body of the test furnace, and looked towards Give instructions to the control panel and the vehicle.

"Yes!" The young operator suppressed his slight nervousness and kept his head calm. He held the mechanical handle used to adjust the angle of the main body of the test furnace with his right hand and shifted it to the right.

At the same time, the five-ton crane located above the test furnace lifts the steel drum containing high-temperature molten slag to the top of the test furnace, and then tilts the barrel to dump the high-temperature molten slag.

In an instant, a fiery intention overflowed all around.

The bright red and hot slag rushed out, passed through the furnace mouth, and was poured into the test furnace under everyone's gaze.

Seeing the billowing heat waves coming out of the furnace mouth of the test furnace, everyone around the site held their breath, knowing that the last moment was coming.

"Controller, return the main body of the test furnace to the straight position, lower the height of the electrode chuck by 50 centimeters, and establish a circuit." Waiting for the truck to lift the steel bucket away from the test furnace, Yu Hua stared at the electroslag test furnace that carries his countless efforts and hopes, and took a deep breath. In one breath, with a stern and solemn face, he issued an order to the young operator beside him.

"Yes!"

The young operator responded directly, controlling the main body of the test furnace to return to a straight angle, and then held another mechanical handle used to adjust the height of the electrode chuck to control the lowering height of the electrode chuck.

"Buzz!"

The huge metal chuck that fixes the electrode steel ingot like a vise closes the distance with the test furnace below under the operation of the motor. Soon, the electrode steel ingot submerges into the furnace mouth and comes into contact with the conductive high-temperature molten slag pool to establish a current loop.

"Boom!" A sudden explosion sounded from the high-temperature molten pool, and the surface of the molten pool was almost boiling. Under the action of high amounts of electric energy, the temperature of the molten pool soared sharply in a linear trend.

In addition, the top of the electrode steel ingot immersed in the high-temperature molten pool heats up rapidly under the action of electric current, and the internal temperature increases at a rate visible to the naked eye.

But, that's not enough!

The test furnace operating in the current mode is not in the electroslag remelting state, but in the electric furnace steelmaking state.

"Control console, adjust the furnace mouth voltage to 58V, the current to 6500A, and operate at rated power!" Yu Hua issued another instruction to the control console, changing the operating parameters of the test furnace to change it from electric furnace steelmaking to electroslag remelting. state.

Low voltage, high current and stability are the characteristics of electroslag remelting furnace.Only in this way can the purity and cleanliness of the steel ingot, as well as the metallographic structure, be guaranteed.

From the birth of the world's first unstable electroslag remelting furnace in 1930 to its large-scale application in the 50s, it took mankind more than 20 years to figure out the key to electroslag remelting.

"Report, the adjustment is completed. The current voltage is 58V, current is 6500A, 380KW rated power operation, current power consumption is 1550 kWh/ton, and the estimated average remelting rate is 300 kilograms per hour." The young operator had a calm face and methodically controlled the electrical equipment. The input voltage and current are adjusted to standard values ​​and a series of parameters are given.

Hearing this answer, Yu Hua nodded without saying a word, his eyes silently staring at the electroslag test furnace in front of him that kept making explosive sounds.

Based on a remelting rate of 1.5 kilograms per hour, it takes five hours to produce [-] tons of electroslag steel.

Now, just wait quietly.

In the test furnace, as the electrode steel ingot is subjected to a specific current, the internal temperature of the steel ingot reaches [-] degrees Celsius in a very short time. The top surface in contact with the high-temperature slag pool reaches a molten state and falls vertically downward like water droplets.

One drop after another, each drop weighing more than ten grams, these water droplets of metal gradually form the initial state of the metal molten pool.

In the metal molten pool, the sulfur element that affects the properties of the steel has been vaporized, and the component content is further reduced, reaching the level of standard electroslag steel.

At the same time, the water-cooled crystallizer made of red copper material works, absorbing the heat of the metal molten pool, causing it to cool and crystallize.

At the microscopic level, molten metal molecules under the controllable influence of the crystallizer gradually form fine crystals. Countless fine crystals are arranged in a specific manner to form a stable metallographic structure.

Stable, uniform, clean, high purity!

This is electroslag steel, one of the cutting-edge creations in the field of human metallurgical technology.

Molten droplets drip from the upper end to form a molten metal pool, and the lower end cools to form the original steel ingot. As time goes by, the original steel ingot, which was initially as big as a grain of rice, slowly 'grows up' and gradually forms an irregular cylindrical shape.

Outside, the atmosphere in the electroslag smelting workshop is calm, and the noise of the working electroslag furnace has become the main theme today.

Everyone waited patiently, listening to the loud noises made by the cutting-edge technological creations at work, and admiring the entire electroslag remelting process.

Although most people present could not understand the principle of electroslag remelting, this in no way prevents them from understanding the role and importance of electroslag remelting.

Because Yu Hua told them that electroslag remelted steel can be used to make heavy artillery barrels!
105, 122, 150, 200...

Behind these numbers are millimeters, prefixed by caliber, otherwise known as 'truth'!
No one urged, no one questioned.

Everyone was fascinated and admired this world-class painting born in the hands of Yu Hua - the Birth of Truth with the most sincere and sincere attitude!

Moreover, this is the truth that belongs to the base, the truth that belongs to the sickle and the hammer.

Look how beautiful this painting is...

(End of this chapter)