On October 25, 2023, in Heilongjiang Jianlong, Shuangyashan City, Heilongjiang Province, with the completion of quenching and tempering of the first seamless steel pipe and its smooth entry into the cooling bed through the straightening machine, the hot load commissioning of Heilongjiang Jianlong's "High-Grade Petroleum Pipe Green Intelligent Manufacturing Project" was successfully completed for the first time, marking that this production line with high productivity, high quality, high efficiency and intelligence has officially entered the trial production stage.
The "High-grade petroleum pipe green intelligent manufacturing project" is one of the key projects of Heilongjiang Jianlong product structure transformation planning, also one of the hundred projects in Heilongjiang Province, with a planned investment of 186 million yuan, a design capacity of 150,000 tons/year. The main products are oil casing, drilling pipe steel and other high-grade petroleum pipe.
In terms of equipment selection, the quenching furnace and tempering furnace burners of this project are all equipped with energy-saving pulse intelligent combustion control mode, which can ensure stable furnace temperature and uniform steel pipe temperature. The quenching and tempering furnaces can be controlled within ±8℃ and ±5℃ respectively. The project adopts advanced heat exchange technology, which can reduce energy consumption by about 10%. The quenching unit adopts the process of "external sprinkling + internal spraying + rotation + semi-immersion", which can carry out quenching processes such as "external sprinkling + internal spraying + rotation" at the same time, improving the straightness of high-grade steel pipes after quenching and fulfilling high performance requirements.
In terms of digitalization, this project adopts the "dual-line dual intelligent control" mode for the first time, and establishes a unified operation and control center to achieve intelligent control. That is to say, on the basis of the original heat treatment production line, a set of operation and control centers is upgraded and transformed to control the two heat treatment production lines. At the same time, intelligent meter inspection and automatic grinding and packaging are achieved, ensuring production needs without adding new personnel, achieving "zero personnel"; The industrial internet is used to achieve information integration of human, machine, material, and inspection, a series of technologies such as digital twins, big data analysis, and intelligent combustion models are used to achieve intelligent control in all aspects such as material tracking, production planning, production performance, energy management, and environmental safety.
Heilongjiang Jianlong "high-grade petroleum pipe green intelligent manufacturing" project started construction from April 8th and lasted for 200 days. It was successfully put into operation on October 25th, 6 days ahead of schedule, creating a record of the industry's similar projects with the smallest land occupation, shortest construction period, and the least number of personnel. It has achieved the expected goals in terms of project positioning, technical and economic indicators, refined management, intelligent manufacturing, and other aspects.
The successful commissioning of the project extends the seamless steel pipe deep processing industry chain of Heilongjiang Jianlong, further improves the market competitiveness of the products, and enables Heilongjiang Jianlong to take a solid step forward in the journey to build the "No.1 Brand in Northeast China and No.1 Echelon in Domestic Market" in the seamless steel pipe industry.