The main bearing of the world's largest shield tunneling machine independently developed by China is offline
Source: People's Daily Weibo Replay suspend 00:07 / 00:49 direct seeding 00:00 Enter full screen 0 Click and hold to drag videos The main bearing of the world's largest shield tunneling machine, developed independently by China, is offline. The bearing is a "big iron ring" with a diameter of 8...
Case sharing Diagnosis case of bearing failure in the gearbox of a cement roller press in a certain cement factory
The roller press adopts the high-pressure material layer crushing principle to crush the material, which is a one-time input of high energy. In order to achieve continuous industrial production operations, a pair of oppositely moving rollers (one fixed roller and one movable roller) are used...
Supporting the construction of the country's first "ten thousand meter deep well" with a load-bearing capacity exceeding the usage requirement by more than 30%, using steel casing
Hunan Daily, October 8th (Reporter Wang Liang, Correspondent Zhou Jinyun) From October 2nd to 5th, Henggang's third-generation special casing was successfully lowered into the first "ten thousand meter deep well" in the country, CNPC Tarim Oilfield's Deep Taco 1 well, setting a record for the deepest casing of the same specification in China.(On site at the well...
Major Discovery! High gas bearing shale gas reservoir detected in Enshi
Replay suspend 00:05 / 00:19 direct seeding 00:00 Enter full screen 0 Click and hold to drag videos E'enye 2 Well723E'enye 2 Well51000E'enye 2 Well250051117001800405/1000Rock core immersion experimentAnalytical Gas Combustion ExperimentThe relevant person in charge of the Provincial Geological Survey Institute evaluated that the exploration results of this well can be extended to the northern areas of Enshi City City, Jianshi County and other places with the same geological structure. It is predicted that the Shale gas resources in this area are about 400 billion cubic meters, with a potential economic value of more than one trillion yuan...