Finally, Zhang Tong took everyone out of the workshop to visit the most important machine in the factory - the rotary kiln

"Firing is a key process for producing cement, and the firing process takes place in this kiln. Zhang

Tong pointed at the huge rotary kiln and said:

"All the raw materials for cement production in our factory must be put in for firing.

During the firing process, the kiln will automatically rotate to ensure even heating inside. Mr.

Lin asked:

"Comrade Factory Director, did you design this kiln?"

"Ma Lin, come here and take a look. See if the furnace body is longer than an ordinary kiln."

Ma Lin looked at it carefully and replied excitedly:

"This design is very clever.

A common design is to increase the contact area of ​​materials by enlarging the furnace body.

The disadvantage is that materials may accumulate and cause uneven firing.

Although the slender design partially sacrifices the firing capacity, it improves the firing rate. The quality of materials!"

When Zhang Tong heard that there was one knowledgeable person among these old men, he was very happy, and continued to introduce more vigorously:

"This kiln was designed by my father Zhang Dalin.

It adopts a circular structure of fiber lightweight materials and has the functions of pressurization, peak shaving and leakage prevention.

When the furnace feeds, pours slag, oxidizes and reduces, the materials will return as they return. The movement of the converter increases the heating area, enhances heat conduction and radiation, and shortens the firing cycle of materials."

Speaking of excitement,

Zhang Tong was spitting, gushing, and bursting with confidence.

Ma Xiaojun, an expert on tank and armor research, then took a closer look at the kiln and said with a smile:

"I'm familiar with this stuff.

When we were researching composite ceramic armor, we often used kilns to refine raw materials."

"But the shape of the kiln invented by your father is a bit strange.

We have never seen this kind of design. Zhang

Tong slowly explained:

"The kiln in front of you now,

I made some improvements to it this year, so it looks like it does now."

In order to further improve the quality of the cement in our factory,

I replaced the insulation material of the furnace body with new materials that are high temperature resistant and highly corrosive, and redesigned the sealing structure of the furnace mouth and used flexible graphite as the sealing material.

Now The air tightness of this furnace is extremely good, the pressure in the furnace can reach 0.5kPa, the heat loss in the furnace is greatly reduced, and the heat energy is fully utilized, thereby reducing costs."

After listening to this, Ma Lin gave Zhang Tong a thumbs up.

He sighed:

"I didn’t expect that a small township enterprise would have such a futuristically designed kiln.

It’s amazing! You must know that our Heyang 401 Research Institute has officially put this new kiln into use starting from this year!

"

"

It’s really surprising that your small township enterprise’s equipment is several years ahead of ours."

Ma Lin's praise stimulated Zhang Tong's nerves like a stimulant, making him feel like he had found a soulmate.

But what Zhang Tong didn't tell Ma Lin was that this kind of kiln had been used in their factory for 10 years.

10 years ago This kind of stove has not been invented abroad yet.

As an authoritative missile expert, Sun Ke looked here for a long time and saw nothing.

He was a little depressed and angry.

He walked quickly to Mr. Lin and asked in a low voice:

"Mr. Lin, is this the key project we want to visit?"

"I did not understand! Mr.

Lin said cheerfully:

"Sun Ke, have you lost your patience so quickly?"

"If you don’t understand, just continue to follow me clearly, and see clearly and understand bit by bit! Sun

Ke muttered:

"Mr. Lin, I really don’t see the mystery behind these outdated and old equipment?"

"Even if the furnace is advanced, it is just a rotary kiln.

The function of this thing is only to make the fired things more uniform.

It is a commonly used equipment, and the technical content is not high.

In foreign countries, kilns similar to his design have long been It has been promoted and used on a large scale.

We can only count it as following the trend, not a breakthrough, right?"

"Mr. Lin, please clarify. Mr.

Lin said with a smile:

"The Tao may be Tao, but the Tao may be Tao, and the name may be famous, but it may be famous!"

Brigadier General Fan Jiang was confused after hearing this and didn't understand what he meant.

He poked Zhao Donglai with his finger and whispered:

"Director Zhao, are you sure that thing was produced in this factory?"

Zhao Donglai gave a thumbs up to express his confirmation.

Zhang Tong finally took everyone back to the workshop.

At the end of the workshop, a heavy dust collector was installed on the wall and ceiling.

Zhang Tong pointed at it and said:

"As we all know, the cement industry is a highly polluting industry.

This dust collector was designed by me to remove fine dust in the workshop.

It is the last line of environmental protection defense in our factory."

"It is precisely because of its existence that the air in our cement factory is very clean, and the people around us are very supportive of our environmental protection practices.

Therefore, even if our salary is one or two hundred less than other manufacturers, everyone is still willing to work here where everyone's health can be guaranteed. local work."

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