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On November 26, in the Qingdao National Circular Economy Demonstration Zone, 1,600-ton crawler cranes were busy on the left and right, and four-vertical and twelve-axis full-rotation hydraulic flatbed models shuttled back and forth
.
The tube section suspended by the pendant is transported from jacking, to lifting into place, and then to high-altitude pairing
.
Qingdao Jinneng Propane Dehydrogenation Project is the first batch of major projects for conversion of new and old kinetic energy in Shandong Province.
After completion and commissioning, the annual output of a single line will reach 900,000 tons
.
Seiko quality, on-site manufacturing and assembly of the giant "Bamboo Artemisia"
Seiko quality, on-site manufacturing and assembly of the giant "Zhuhao" Seiko quality, on-site manufacturing and assembly of the giant "Zhuhao"The shape of the separation tower is like a giant "Bamboo Artemisia" with distinct joints.
The processing of each "bamboo tube" needs to be pre-finished on the ground, and then connected one by one in the vertical space.
The construction work can be described as "higher".
the harder it is
.
Qingdao has a lot of rain and humidity, and it is more difficult to control the welding quality of thick-walled equipment on site.
The requirements for tube section forming, roundness control, and anti-deformation are very high
.
When the 7 sections of "bamboo tubes" have been processed one after another, the "last hoisting" at a high place will be ushered in.
The strong wind force in the air at a height of 100 meters will cause the tube sections to swing greatly, and the difficulty of hoisting and assembly will be higher, which will affect the welding quality.
more obvious
.
For the connecting device on the propane dehydrogenation core reactor, the flange surface needs to be in contact with the reaction medium, and corrosion-resistant and high-temperature-resistant materials need to be surfacing.
Such surfacing often causes cracks during the production process of the reactor.
Continuously study and master the welding process of surfacing welding, and increase the first-time pass rate of welding to 100%
.
Industry-leading, ingenuity empowers high-end equipment manufacturing brands
Industry-leading, ingenuity empowers high-end equipment manufacturing brands Industry-leading, ingenuity empowers high-end equipment manufacturing brandsFocus on the high-end market and reserve core technologies
.
China Construction Wuzhou has entered the high-end chemical equipment manufacturing industry since 2011
.
In 2014, China Construction Wuzhou undertook the propane dehydrogenation project of Hebei Haiwei with an annual output of 500,000 tons.
For the first time, the LUMMUS technology was used to successfully manufacture a propane dehydrogenation unit, realizing the localization of the LUMMUS reactor
.
In 2017, China Construction Wuzhou undertook 10 propane dehydrogenation core reactors for the Dalian Hengli Petrochemical Refining and Chemical Integration Project
.
By optimizing the welding process, it broke through the welding problem of S31008 high-strength stainless steel materials, and established the leading position of CSCEC in the field of propane dehydrogenation core equipment manufacturing
.
CSCEC Wuzhou has also mastered mature manufacturing technology in chemical equipment such as dryers widely used in environmental protection, medicine, chemical industry and other industries, esterification kettles used in polyester and chemical fiber industries,
etc.
At the same time, China Construction Wuzhou is actively developing the manufacturing technology of prepolymerization reactor and final polymerization reactor, striving to optimize the professional support in the manufacture of complete sets of equipment for this device, and realize the domestic manufacturing market advantage of this project
.
Supporting brand building with scientific and technological research, and striving to achieve the ultimate in professional fields, China Construction Wuzhou has created unique core capabilities and differentiated competitive advantages in the fields of pressure vessels, new energy, steel structures, metal decoration and other equipment manufacturing.
Reform and innovation provide professional support for China Construction Group to give full play to the advantages of the entire industry chain
.
