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“It’s a great motherland and a great science and technology
in Shaanxi to be able to carry scientific research personnel down to the depths of the ocean .
” Some visitors gathered around the "Deep Sea Warrior" titanium alloy developed by Baoti Group at the site of the theme exhibition celebrating the 100th anniversary of the founding of the Communist Party of China in Shaanxi Province.
The human spherical shell model said with emotion
.
From the "Deep Sea Warrior" with a dive depth of 4500 meters to the "Struggle" with a new record of 10,909 meters in China's manned deep diving, the titanium alloy manned spherical shell developed by the Baotai Group's deep-sea submersible team is used as a manned submersible The core components of, provide hardware guarantee and safety barrier for scientific research personnel
.
"The successful development of the'Struggle' titanium alloy manned spherical shell signifies that China's deep-sea manned detection equipment has achieved a historic leap from'parallel running' to'leading'
.
" General Manager and Team of Baoji Titanium Industry Co.
, Ltd.
The leader Jia Shuanxiao said, "In order to achieve the strategic goal of a maritime power, our team will increase scientific and technological innovation in the research and development of marine titanium materials and equipment, and strive to achieve new breakthroughs in the fields of ships, deep submersibles, and marine resource development.
.
" "
Ocean Warrior "was the first test chopper
to raise the level of domestic core components, to enhance the capability of independent innovation, developed countries for" Deep Sea Warrior "manned submersibles
.
In 2010, the deep-sea submersible team of Baotai Group undertook the research and development task of manned spherical shell
.
"The manned spherical shell carried by the "Jiaolong" was imported from Russia, using the melon petal forming scheme, which was welded from multiple plates with a top cover, and had many welds
.
" Director of the New Product Development Department of Baoti Co.
, Ltd.
Wang Yongmei said, “In order to further improve the safety and reliability of the manned spherical shell, we boldly proposed a plan for the hemisphere to be integrally stamped and formed.
Except for the hole seat, the entire spherical shell has only one weld
.
” The
plan was formulated and placed in front of the project team.
There are technical difficulties: the preparation of ultra-thick and wide sheets with a thickness of 90 mm, the integral stamping and forming technology of titanium alloy hemispheres, the large-scale continuous welding, the development of new matching welding wires, etc.
, each of which has no experience to learn from, and needs Technological innovation
.
Aiming at breakthroughs in key technologies, the project team has assembled the backbone of scientific research and engineering technology of Baoti Group, including the first-line backbones of melting and casting plants, forging plants, strip plants, wide and heavy plate companies, wire rod plants, and Baose special equipment.
The pass ensures high quality in melting, forging, plate rolling, hemispherical integral stamping and forming, and welding
.
"We are innovating while experimenting
.
In order to achieve a technological breakthrough, the project team often has to go through dozens or even hundreds of test innovations and process plan adjustments until the technical indicators are fully qualified
.
" Wang Yongmei said, "The two hemispheres are connected together.
Take the equatorial seam welding as an example.
Its thickness is large and the length is nearly 7 meters without interruption.
The welding technology is a big problem
.
The team has carried out many rounds of tests and improvements to solve this problem
.
"
In this way, after 1000 After many days and nights of struggle, the deep-sea submersible team of Baotai Group has overcome many technical difficulties and completed the development of the "Deep Sea Warrior" titanium alloy manned spherical shell
.
During the acceptance of the project, the experts of the acceptance team and the academicians of the evaluation team agreed that the project has major technological breakthroughs and innovations in the preparation of titanium alloys with large thickness, large width and heavy weight titanium alloy materials, hemispherical integral molding, and electron beam welding.
The related technologies of China's independent intellectual property rights have filled a number of domestic gaps, and the overall technology has reached the international advanced level
.
After that, the manned spherical shell was applied to the "Deep Sea Warrior", achieving a maximum dive depth of 4,534 meters
.
Its successful development has greatly improved China's overall level of titanium alloy manufacturing and scientific research capabilities, and ended China's dependence on imports for manned spherical shells of deep submersible vehicles
.
At present, the manned spherical shell has completed more than 200 dive missions with the "Deep Sea Warrior"
.
In May of this year, in the search and rescue operation of the submarine "Nangara" of the Indonesian Navy, the "Deep Sea Warrior" showed its talents and completed 13 submarine survey missions
.
"Struggle" Challenge the limit
After the "Deep Sea Warrior", the Baoti Group's deep-sea submersible team undertook the task of developing the manned spherical shell of the "Struggle" and marched into the deep sea of 10,000 meters
.
"The Struggle has higher requirements for the pressure-bearing capacity of the manned spherical shell
.
Each increase of 10 meters underwater is equivalent to an increase of 1 atmosphere of pressure.
According to the design depth of 11,000 meters, this is equivalent to 1 square centimeter.
It produces 1.
1 tons of pressure on the area, like an adult's fingernail cover to withstand the weight of an elephant
.
"new product development senior engineer at the water Baotaigufen Luo would say
.
In order to meet the design requirements, the project team repeated calculations and decided to select a new high-strength, high-toughness titanium alloy material with a certain pre-research basis, but the composition of the titanium alloy material needs to be further optimized
.
"In order to achieve the best match for the strength, toughness, and plasticity of the manned spherical shell, the thermal process parameters of the plates must be controlled, and the plates of different parts and thicknesses must reach the same temperature at the same time
.
" Luo Shui will tell the author, " in order to achieve the target temperature needs to be warmed by, power outages and other means of human intervention, uninterrupted monitoring, evaluation, adjustment, team members often work more than 20 hours without a break
.
"
in the" striver "was manned titanium ball During the development of the shell, a total of six 12-ton plates were used.
The melting, forging, and rolling have all reached the production limit of the equipment, and finally the manned spherical shell was successfully processed
.
Luo Shuihui said that the development of a new type of titanium alloy sheet in the past generally took no less than 8 years, and the historically challenging task of the Struggle from material development to completion of spherical shell manufacturing took only 4 years.
.
In 2019, the "Struggle" titanium alloy manned spherical shell manufactured by Baotai passed the acceptance, becoming the world's largest and most numbered submersible manned spherical shell.
.
Since October 10, 2020, the "Struggle" went to the Mariana Trench to conduct a 10,000-meter sea trial and successfully completed 13 dives, of which 8 times exceeded 10,000 meters.
At 8:12 on November 10, "Struggle" The "zhe" has created a new record of 10,909 meters in China's manned deep diving, marking that China has reached the world's leading level in the field of deep manned deep diving
.
Aiming at the continuous innovation of deep-sea equipment
"From 4,500 meters to 10,909 meters, the span of more than 6,000 meters indicates that the company has achieved high-quality development led by scientific and technological innovation
.
At the same time, we have also created a multi-disciplinary cross-integrated high-level R&D team
.
"Wang Yongmei said
.
As of June this year, the Baotai Group's deep-sea submersible team has applied for 14 national invention patents and utility model patents, formulated 5 relevant national standards; won 1 provincial and ministerial special prize and 6 first prizes
.
In addition, the C919 large aircraft and the CZ-5 high-thrust launch vehicle all use key rare metal materials such as titanium and titanium alloys developed and produced by the team
.
"Titanium alloy has the characteristics of high specific strength, high temperature resistance, seawater corrosion resistance and good weldability.
It is widely used in the development and production of core components for high-end industrial equipment such as deep sea, deep space, and aviation
.
" Wang Yongmei said
.
"One generation of materials, one generation of equipment", vigorously developing marine titanium is one of the most effective ways to achieve the strategic goal of a maritime power
.
"In recent years, our team has been committed to the research and development of marine titanium, and has achieved new breakthroughs in many products.
Products with a dive depth of 6000 meters can cover more than 98% of the sea
.
Our 6000-meter-class manned submersible uses titanium An important breakthrough has been made in the development of the alloy manned spherical cabin, which has realized the pedigree development of the enterprise in the development of the titanium alloy manned cabin for manned deep-submersible
vehicles.
" Wang Yongmei said
.
In the past 5 years, the core titanium alloy components of marine engineering equipment representing the most cutting-edge technology in my country have been developed by the deep-sea submersible team of Baoti Group without exception.
.
"Building deep-sea equipment is one of the inevitable choices for humans to understand, protect, and develop the ocean.
The construction of a pressure-resistant cabin for equipment with a depth of about 1,000 meters is technically mature.
We will strengthen technology in terms of reducing costs and providing efficiency.
Tackling key problems
.
" Wang Yongmei told the author
.
“General Secretary Xi Jinping pointed out at the celebration of the 100th anniversary of the founding of the Communist Party of China that it is necessary to promote high-quality development and promote scientific and technological self-reliance
.
As a scientific and technological worker, we will continue to make scientific and technological innovations in the research and development of marine titanium materials and equipment, and accelerate science and technology.
The results are transformed to contribute Shaanxi's scientific and technological strength to building a maritime power
.
" Jia Shuanxiao said
.
in Shaanxi to be able to carry scientific research personnel down to the depths of the ocean .
” Some visitors gathered around the "Deep Sea Warrior" titanium alloy developed by Baoti Group at the site of the theme exhibition celebrating the 100th anniversary of the founding of the Communist Party of China in Shaanxi Province.
The human spherical shell model said with emotion
.
From the "Deep Sea Warrior" with a dive depth of 4500 meters to the "Struggle" with a new record of 10,909 meters in China's manned deep diving, the titanium alloy manned spherical shell developed by the Baotai Group's deep-sea submersible team is used as a manned submersible The core components of, provide hardware guarantee and safety barrier for scientific research personnel
.
"The successful development of the'Struggle' titanium alloy manned spherical shell signifies that China's deep-sea manned detection equipment has achieved a historic leap from'parallel running' to'leading'
.
" General Manager and Team of Baoji Titanium Industry Co.
, Ltd.
The leader Jia Shuanxiao said, "In order to achieve the strategic goal of a maritime power, our team will increase scientific and technological innovation in the research and development of marine titanium materials and equipment, and strive to achieve new breakthroughs in the fields of ships, deep submersibles, and marine resource development.
.
" "
Ocean Warrior "was the first test chopper
to raise the level of domestic core components, to enhance the capability of independent innovation, developed countries for" Deep Sea Warrior "manned submersibles
.
In 2010, the deep-sea submersible team of Baotai Group undertook the research and development task of manned spherical shell
.
"The manned spherical shell carried by the "Jiaolong" was imported from Russia, using the melon petal forming scheme, which was welded from multiple plates with a top cover, and had many welds
.
" Director of the New Product Development Department of Baoti Co.
, Ltd.
Wang Yongmei said, “In order to further improve the safety and reliability of the manned spherical shell, we boldly proposed a plan for the hemisphere to be integrally stamped and formed.
Except for the hole seat, the entire spherical shell has only one weld
.
” The
plan was formulated and placed in front of the project team.
There are technical difficulties: the preparation of ultra-thick and wide sheets with a thickness of 90 mm, the integral stamping and forming technology of titanium alloy hemispheres, the large-scale continuous welding, the development of new matching welding wires, etc.
, each of which has no experience to learn from, and needs Technological innovation
.
Aiming at breakthroughs in key technologies, the project team has assembled the backbone of scientific research and engineering technology of Baoti Group, including the first-line backbones of melting and casting plants, forging plants, strip plants, wide and heavy plate companies, wire rod plants, and Baose special equipment.
The pass ensures high quality in melting, forging, plate rolling, hemispherical integral stamping and forming, and welding
.
"We are innovating while experimenting
.
In order to achieve a technological breakthrough, the project team often has to go through dozens or even hundreds of test innovations and process plan adjustments until the technical indicators are fully qualified
.
" Wang Yongmei said, "The two hemispheres are connected together.
Take the equatorial seam welding as an example.
Its thickness is large and the length is nearly 7 meters without interruption.
The welding technology is a big problem
.
The team has carried out many rounds of tests and improvements to solve this problem
.
"
In this way, after 1000 After many days and nights of struggle, the deep-sea submersible team of Baotai Group has overcome many technical difficulties and completed the development of the "Deep Sea Warrior" titanium alloy manned spherical shell
.
During the acceptance of the project, the experts of the acceptance team and the academicians of the evaluation team agreed that the project has major technological breakthroughs and innovations in the preparation of titanium alloys with large thickness, large width and heavy weight titanium alloy materials, hemispherical integral molding, and electron beam welding.
The related technologies of China's independent intellectual property rights have filled a number of domestic gaps, and the overall technology has reached the international advanced level
.
After that, the manned spherical shell was applied to the "Deep Sea Warrior", achieving a maximum dive depth of 4,534 meters
.
Its successful development has greatly improved China's overall level of titanium alloy manufacturing and scientific research capabilities, and ended China's dependence on imports for manned spherical shells of deep submersible vehicles
.
At present, the manned spherical shell has completed more than 200 dive missions with the "Deep Sea Warrior"
.
In May of this year, in the search and rescue operation of the submarine "Nangara" of the Indonesian Navy, the "Deep Sea Warrior" showed its talents and completed 13 submarine survey missions
.
"Struggle" Challenge the limit
After the "Deep Sea Warrior", the Baoti Group's deep-sea submersible team undertook the task of developing the manned spherical shell of the "Struggle" and marched into the deep sea of 10,000 meters
.
"The Struggle has higher requirements for the pressure-bearing capacity of the manned spherical shell
.
Each increase of 10 meters underwater is equivalent to an increase of 1 atmosphere of pressure.
According to the design depth of 11,000 meters, this is equivalent to 1 square centimeter.
It produces 1.
1 tons of pressure on the area, like an adult's fingernail cover to withstand the weight of an elephant
.
"new product development senior engineer at the water Baotaigufen Luo would say
.
In order to meet the design requirements, the project team repeated calculations and decided to select a new high-strength, high-toughness titanium alloy material with a certain pre-research basis, but the composition of the titanium alloy material needs to be further optimized
.
"In order to achieve the best match for the strength, toughness, and plasticity of the manned spherical shell, the thermal process parameters of the plates must be controlled, and the plates of different parts and thicknesses must reach the same temperature at the same time
.
" Luo Shui will tell the author, " in order to achieve the target temperature needs to be warmed by, power outages and other means of human intervention, uninterrupted monitoring, evaluation, adjustment, team members often work more than 20 hours without a break
.
"
in the" striver "was manned titanium ball During the development of the shell, a total of six 12-ton plates were used.
The melting, forging, and rolling have all reached the production limit of the equipment, and finally the manned spherical shell was successfully processed
.
Luo Shuihui said that the development of a new type of titanium alloy sheet in the past generally took no less than 8 years, and the historically challenging task of the Struggle from material development to completion of spherical shell manufacturing took only 4 years.
.
In 2019, the "Struggle" titanium alloy manned spherical shell manufactured by Baotai passed the acceptance, becoming the world's largest and most numbered submersible manned spherical shell.
.
Since October 10, 2020, the "Struggle" went to the Mariana Trench to conduct a 10,000-meter sea trial and successfully completed 13 dives, of which 8 times exceeded 10,000 meters.
At 8:12 on November 10, "Struggle" The "zhe" has created a new record of 10,909 meters in China's manned deep diving, marking that China has reached the world's leading level in the field of deep manned deep diving
.
Aiming at the continuous innovation of deep-sea equipment
"From 4,500 meters to 10,909 meters, the span of more than 6,000 meters indicates that the company has achieved high-quality development led by scientific and technological innovation
.
At the same time, we have also created a multi-disciplinary cross-integrated high-level R&D team
.
"Wang Yongmei said
.
As of June this year, the Baotai Group's deep-sea submersible team has applied for 14 national invention patents and utility model patents, formulated 5 relevant national standards; won 1 provincial and ministerial special prize and 6 first prizes
.
In addition, the C919 large aircraft and the CZ-5 high-thrust launch vehicle all use key rare metal materials such as titanium and titanium alloys developed and produced by the team
.
"Titanium alloy has the characteristics of high specific strength, high temperature resistance, seawater corrosion resistance and good weldability.
It is widely used in the development and production of core components for high-end industrial equipment such as deep sea, deep space, and aviation
.
" Wang Yongmei said
.
"One generation of materials, one generation of equipment", vigorously developing marine titanium is one of the most effective ways to achieve the strategic goal of a maritime power
.
"In recent years, our team has been committed to the research and development of marine titanium, and has achieved new breakthroughs in many products.
Products with a dive depth of 6000 meters can cover more than 98% of the sea
.
Our 6000-meter-class manned submersible uses titanium An important breakthrough has been made in the development of the alloy manned spherical cabin, which has realized the pedigree development of the enterprise in the development of the titanium alloy manned cabin for manned deep-submersible
vehicles.
" Wang Yongmei said
.
In the past 5 years, the core titanium alloy components of marine engineering equipment representing the most cutting-edge technology in my country have been developed by the deep-sea submersible team of Baoti Group without exception.
.
"Building deep-sea equipment is one of the inevitable choices for humans to understand, protect, and develop the ocean.
The construction of a pressure-resistant cabin for equipment with a depth of about 1,000 meters is technically mature.
We will strengthen technology in terms of reducing costs and providing efficiency.
Tackling key problems
.
" Wang Yongmei told the author
.
“General Secretary Xi Jinping pointed out at the celebration of the 100th anniversary of the founding of the Communist Party of China that it is necessary to promote high-quality development and promote scientific and technological self-reliance
.
As a scientific and technological worker, we will continue to make scientific and technological innovations in the research and development of marine titanium materials and equipment, and accelerate science and technology.
The results are transformed to contribute Shaanxi's scientific and technological strength to building a maritime power
.
" Jia Shuanxiao said
.
