Rebirth 84, starting from fish farming

Hu Le's Full Moon Wine was a lively event.

Wu Yueniang's family members were all here, and they didn't pick out any gifts.

Hu Dagui and his wife were very happy, and the Hu family's elders were also elated.

In their view, they finally moved back in front of their daughter-in-law's family. When their son got married, Wu Yue's parents did not agree. Her second and third brothers also opposed it.

Only the eldest brother didn't say anything.

Nowadays Dagui can be regarded as outstanding.

Wu Qiang is no longer what he used to be.

The silly boy who lived in the dry vegetable market has become a banner of Harbin City.

Not only does he have his own shops in several markets, but he also opened a trading company. It is said that the business is doing well.

Wu Qiang was still very polite when he saw Lao Lu.

Lao Lu was his first nobleman, and he was also the father of his brother-in-law Hu Dagui's boss. He had to be polite both in public and in private.

In the past few years, Lao Lu has used a lot of peppers grown by himself, while Wu Qiang’s use has been much less.

Wu Qiang was also quick-thinking. Seeing that Lao Lu's consumption was low, he found other customers, and gradually Harbin became a local based on chili peppers.

Little Hu Le, who was just one month old, was riding on his short legs and looked lost in the lake. Lu Changhua liked it very much.

Hu Dagui took advantage of the situation and proposed that the child recognize Lu Changhua as his godfather!

Now, under the coaxing of relatives and friends, Lu Changhua and Wang Yao became Hu Le's godfather and godmother.

Wang Yao put a longevity lock made of gold around Hu Le's neck.

Now, Lu Changhua is not only Hu Dagui's good brother, but also the child's godfather. This relationship can be considered unbreakable.

Changhe Tractor Group's follow-up supporting factory is also under intense construction.

If these factories can produce normally, they will not only be able to manufacture tractors.

After two months of production, the problem of accessories for the Det 75 tractor has been temporarily solved.

But a problem appeared in front of Lu Changhua again.

That is the modification of the Det 75 engine.

Farms are large-area farmland operations that require high-horsepower tractors.

Although the Dete 75 can completely replace the Dongfanghong 75 tractor, it also has shortcomings.

That's a waste of fuel.

Now Luotuo has not only launched the Dongfanghong 802 tractor, but also launched the 1002 tractor with higher horsepower.

In comparison, the horsepower of the Det 75 pales into insignificance.

Who doesn’t want to use a good tractor?

1002 sells for 125,000 yuan per unit.

If all the reclamation areas in Heilongjiang Province were to be renovated, it would cost several hundred million! How can we have so much money?

At least 3,000 Det 75s have been introduced in the entire reclamation area.

Now that the accessories are available, this car can still be used for many years. If the engine can be upgraded to increase the horsepower, it will not only save the cost of buying a new car, but also save fuel and improve operating efficiency. This kind of technical modification is

The reclamation area urgently needs it.

Zhao Huaian accompanied leaders and experts from the Science and Technology Bureau of the General Administration and the Agricultural Machinery Bureau to visit Lu Changhua.

They requested to hold a symposium to discuss the feasibility of this technical transformation project with experts from the Tractor Group.

Since we had provided the spare parts and made money, and other people had funds for this kind of technical transformation, Lu Changhua summoned the technical backbone of the engine factory and had a serious discussion in the group conference room.

The General Administration's requirement is to save energy and increase efficiency without changing the original engine structure.

After studying the specific conditions of this type of engine, experts proposed high-pressure common rail technology.

It turns out that Soviet Russia’s engine technology had already made a breakthrough a few years ago.

Lu Changhua bought the engine factory back and only asked for the development and production of low-end small engines. Their advanced research results had no place to display, and the drawings were locked in a filing cabinet.

Now that I heard that this 75-horsepower engine is going to be modified, I am very interested.

When people from the General Administration heard about the new technology, they became interested and asked Changhe Factory to first try to come up with a plan to transform one.

High-pressure common rail technology is a very advanced technology in diesel engines.

It not only saves fuel, but also runs smoothly, reduces emissions, and increases horsepower.

The main principle is to press the diesel oil into the high-pressure oil pipe through the high-pressure oil pump, and then connect the fuel injectors.

The fuel injector is controlled by a solenoid valve.

The control unit is now mechanical, but can still effectively control the solenoid valve.

This requires cooperation between various supporting factories to produce accessories.

After the drawings came out, each factory made special arrangements for precise processing, and it was completed in half a month.

The engine of the Det 75 also needs to undergo necessary modifications.

After Master Lao Maozi installed these bits and pieces by himself, he started the newly rebuilt engine.

The sound of the engine has changed and become much softer.

Since the fuel injectors in the four cylinders can accurately control the injection time and fuel volume, this has the effect of saving fuel and increasing horsepower.

The important thing is that the operation is smooth and the sound is gentle, which can effectively increase the service life of the engine.

In order to better install the modified parts seamlessly, Sergei and the others asked for a brand new cylinder head to be recast.

In this way, the solenoid valve and the fuel injector can be combined into one to complete the industrial design.

Not only the cylinder head was redesigned, but the fuel injector with the solenoid valve was also redesigned and produced.

When tested again, the engine was even more perfect.

The original 75-horsepower engine was modified and its horsepower was greatly increased, reaching 105 horsepower.

A full 30 horsepower increase.

This is a qualitative leap.

Without changing the displacement, this improvement is absolutely miraculous.

Changhe Factory immediately applied for a patent for this technology.

At the same time, this technical transformation passed the acceptance inspection.

The charge for rebuilding the engine is 50,000 yuan.

Changhe Factory dispatched a large number of engineers to assist farms in renovating tractors.

Throughout June, under the coordination of the General Administration, all Det 75s were modified.

Judging from the feedback from various places, this technical reform was quite successful.

On this day, Chen Liguo found Lu Changhua.

"Mr. Lu, our technology has been proven to be completely successful. I suggest that we develop and produce a new generation of engines to match our tractors."

From technological modification of a 75-horsepower engine to the production of a brand new small energy-saving engine, it is completely different.

You know, not everyone has the high-pressure common rail technology for diesel engines today.

"Can we work it out?"

"We can develop it first. If we have a new energy-saving and efficiency-enhancing engine, it will be a big improvement for our products."

"Okay, let's do it."

You must know that small wheeled tractors have low horsepower. If they can increase horsepower and extend the life of the engine with the same fuel consumption, they will be welcomed by farmers.

Is such a tractor still worried about sales?!

With Lu Changhua's words, Chen Liguo immediately organized experts to carry out research and development.

With the experience of transformation, they followed the idea of ​​high-pressure common rail and upgraded the existing 18-horsepower diesel engine.

The modified parts need to be re-produced according to the drawings, and some need to be re-cast, which is a huge workload.

In order to rebuild the 18-horsepower engine, the entire factory worked overtime.

Lu Changhua knew that it would not work even if he stayed in the factory, so he simply went home.

Chen Liguo and Sergey will have to bear the burden.

When Lu Changhua was walking with his children at home, his cell phone rang.

It was Lao Chen's call.

I asked him to go to the factory and the prototype came out.

In the experimental workshop.

The modified engine is running smoothly on the test bench.

Although this is a single-cylinder engine, its sound does not sound like a single-cylinder engine at all.

Although the previous single-cylinder engine ran very smoothly, it was noisy and crisp, and there was still the sound of metal being struck.

But now, such voices no longer exist.

Without changing the displacement, the horsepower was increased to 28 horsepower.

Such an engine surprised Lu Changhua.

The engine has passed the rigorous test after continuous long-term testing.

After loading, the tractor performed excellently.

More energy efficient than before, with increased horsepower and reduced emissions.

"Apply for production license, we have an upgraded version."

Nothing else has changed except that the engine has been upgraded.

This kind of upgrade cannot be imitated by ordinary manufacturers and has a high technological content.

As soon as July entered, the brand new Changhe tractor upgrade advertisement appeared on TV.

"Changhe Tractor is a good helper for getting rich. It has more horsepower, more energy, and saves fuel and worry!"

For a time, advertisements for Changhe tractors were painted on roadside walls in vast rural areas all over the world.

The horsepower increases, but the price remains the same.

This policy immediately turned off many followers.

Seeing that the 18-horsepower tractor launched by Changhe Factory last year was very popular, they also went to the diesel engine factory to purchase an 18-horsepower diesel engine. They also followed the market.

But who would have known that in just one year, Changhe Factory would launch an upgraded version with 28 horsepower.

The crux of the matter is that the price remains unchanged!

Who can stand this?!

The 18-horsepower diesel engines of Changhe Factory have been modified.

The 18-horsepower engine was directly upgraded to 28 horsepower, and nothing original was wasted.

This attack caused other small factories to cry for father and mother, and there were many casualties.

Many large manufacturers don't care about the new high-voltage common rail technology developed by Changhe Factory.

Including Luo Tuo.

They used to produce their engines in-house.

Now in order to increase market competitiveness, we have to purchase engines from other diesel engine factories.

For example, Dalian Diesel Engine Factory.

Their engine technology is also foreign technology. For example, the 1002 engine is provided by them.

This caused them to ignore this new technology.

No wonder, in the past, the Dongfanghong 54 and 75 they produced were nationally designated products.

Now that there are more choices, they have lost their original advantages.

The appearance of Changhe tractor did not attract their attention.

After all, Changhe Factory produces small tractors, which are not on the same track as him.

But things are unpredictable, who can guarantee that they will not collude with each other?!