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Zhou Jianhua and Liu Yang took the temperature control box back to the mining machine repair factory and got out of the car in front of the office building, while the driver continued to pull the temperature control box into the production area and sent it to the sand turning workshop with a heat treatment furnace.

Zhou Jianhua took out the 350 yuan component purchase invoice in the bag and handed it to Liu Yang, and then followed Wang Shiqing and Yan Donghai into the production area and came to the sand turning workshop.

Mining machinery repair plant is a coal mine production equipment maintenance rather than mass production and processing of machinery enterprises, so the factory has a wide variety of process production equipment is characterized by a wide variety of everything, and most of the equipment as long as there are one or two is enough, so the various process equipment in the factory in the planning and layout of the workshop, is not the use of specialized production layout, but according to the maintenance and spare parts production and processing process characteristics of the combination of layout.

Because when producing parts, many large parts are first produced by the sand turning workshop to produce castings, and then they are cut. Most castings need to be normalized or annealed to improve their machinability, so the heat treatment furnace of the mining machine repair plant was built in a corner of the original sand turning workshop.

Because many of the mining equipment used in the coal mine are large-scale equipment, and the parts that need to be produced and processed during maintenance are relatively large, the volume of the heat treatment furnace of the mining machine repair plant is more than ten or twenty times larger than that of the heat treatment furnace of the Tonglin machine repair plant, so there is a lot more material in the furnace body, which is the main reason why the heat treatment furnace of the mining machine repair plant is much higher than the heat treatment furnace of the Tonglin machine repair plant.

The mining machinery repair plant has many hands and fast hands, and the furnace body of the heat treatment furnace has been done in accordance with the plan communicated by Zhou Jianhua and Wang Shiqing on the phone a few years ago, and the refractory layer, heat insulation layer and electric heating wire are all installed in place, and the cooling water pipes and external power supplies used to cool the metal furnace body are also installed, and everything is ready, just waiting for Zhou Jianhua's temperature control box.

Seeing Zhou Jianhua, Wang Shiqing, Yan Donghai and others coming to the workshop, the workshop director hurriedly greeted him. After Wang Shiqing introduced the workshop director and Zhou Jianhua to each other, he asked the workshop director to find an electrician, and under the guidance of Zhou Jianhua, the thermocouple of the temperature control box was inserted and fastened from the installation hole reserved by the furnace body, and the power wiring of the cooling water motor and the heating wire was connected with the corresponding interface of the temperature control box, and the construction and installation of the entire heat treatment furnace was completed.

Zhou Jianhua also instructed the workshop director and the corresponding operators to carry out on-site operation, and electro-debugging to carry out the first furnace pre-drying treatment of the heat treatment box.

The two directors and deputy directors of the mining machine repair plant who got the news also came to the sand turning workshop to understand the installation and use of the heat treatment furnace, and saw that the heat treatment furnace can operate stably and controllably, and thought that the quality and life of the spare parts produced in the factory in the future can be on a new level, and they are very happy.

Near noon, the pre-drying procedure of the heat treatment box was completed, and several leaders and middle-level cadres of the mining machinery repair plant, including the secretary of the party committee and the factory director, invited Zhou Jianhua and Yan Donghai to go to the small canteen next to the canteen of the mining machinery repair plant to have lunch together in the small canteen specially used to entertain the superior leaders, in order to show their gratitude to Zhou Jianhua and celebrate the successful commissioning of the new equipment of the mining machinery repair plant and the formation of production capacity.

Cai Xueying pedaled home for lunch as usual.

"Mom, cook more tonight." Cai Xueying said to her mother sitting opposite while holding the dishes.

"What's wrong?" Cai's mother looked up and asked inexplicably.

“…… It's always good to do more, and be prepared! Cai Xueying thought about it and replied with a smile: "Didn't Chairman Mao say: there is food in your hands, and you don't panic." ”

"Where's this...... What the hell do you mean? Cai's mother looked at her daughter inexplicably and asked.

Cai Xueying glanced at her brother who was sitting on her right in a hurry and said, "You see that my brother has lost weight, he will leave tomorrow, don't you want to cook more delicious food at night?!" ”

"Really?!" Cai Muhu turned her head suspiciously and looked at Cai Shang: "Why didn't I see it......"

"Huh? No way...... Didn't you say I was fat two days ago? Cai Shang, who was chewing rice, was stunned by his sister's words.

"Didn't you just come back, I'll say a few words to you to greet the New Year so that you can be happy......" Cai Xueying couldn't help but smile and glanced at Cai Shang and said.

Cai Shang looked at Cai Xueying with wide eyes, and asked loudly in an exaggerated tone, "Won't it?!" I haven't seen you for half a year, why did you learn to be so slippery?! ”

"I was a white lie...... Cai Xueying took a bite of food and replied confidently: "It's not too late to tell you the truth now!" When you get back to work, remember to eat more! ”

"I'm a standard body! Fully comply with the military standard requirements of the troops! If you eat more, you will have to exceed the standard! Cai Shang squinted at his sister and said confidently.

"Mom, don't listen to your brother, cook more at night and let him eat more! Well...... I want to eat more tonight too! Cai Xueying said again.

"This kid! Before I finished lunch, I thought I would eat more in the evening...... When didn't I feed you a day? Cai's mother looked at her daughter in surprise and asked innocently.

"Anyway, I just want to eat more tonight!" Cai Xueying pursed her lips and said coquettishly: "Dad! Why don't you ask Mom to do more...... You don't want your daughter to starve, do you?! ”

"Hehe, if the child wants to eat, you can make more...... Anyway, in this cold day, if you can't finish eating, you won't waste it. Cai Zhongming said to Cai's mother with a smile.

Cai Zhongming is a dignified leader in the unit, and he is also a dignified father at home, he has been very strict with his children since he was a child, as his children gradually grow up, the sensible two children have become the pride of Cai Zhongming's heart, and he is gradually no longer so strict with the children, especially his son Cai Shang has left home to study and work for many years, Cai Zhongming has more concern and care for his children. The son is not by his side all the year round, and the daughter has become an intimate "little padded jacket" by the side of the husband and wife. For these small things in life that do not hinder the principle, Cai Zhongming is almost obedient to his daughter.

"It's still my father who loves me......" Cai Xueying said happily, glancing at her mother proudly.

"When did I do you wrong? ...... without conscience," Cai Mu glanced at Cai Xueying and complained innocently.

"Hee-hee...... Dad loves me, Mom loves me, you all love me! Okay?! Cai Xueying made a naughty face at her mother and coaxed her mother with good words.

Seeing that her mother's face showed a smile again, Cai Xueying hurriedly put all the rice in the bowl into her mouth and said, "I'm done!" It's time to go to work! After speaking, he put down the dishes and chopsticks, got up and left his seat and walked out quickly.

"Why are you in such a hurry today?" Cai Mu asked strangely.

"I'm in a hurry!" Cai Xueying said without looking back, and quickly walked to the gate of the courtyard.

"Why don't you ride there in a hurry?" Cai's mother looked at her daughter's back and reminded.

"I don't want to ride today...... I'm going for a walk! Cai Xueying disappeared outside the courtyard gate after speaking.

"This girl!" Cai's mother sighed inexplicably and shook her head helplessly.

"This Nizi...... ...... hummed," Cai Shang glanced at the empty courtyard gate thoughtfully, and stopped talking.