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Chinese firm delivers self‑developed core casting for world's most powerful onshore wind turbine_我的网站

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    Core castings for the world's most powerful onshore wind turbine Photo: website of Science and Technology Daily
The core castings for the world's most powerful onshore wind turbine in terms of single‑unit capacity have recently been delivered by a Chinese company, marking a technological breakthrough in the large‑megawatt onshore wind power castings, domestic news portal stdaily.com affiliated with Science and Technology Daily reported on Wednesday.
Independently developed by Dalian Huarui Heavy Industry Group Co., Ltd. (DHHI), the delivered components include the bearing housing and base castings for 15 MW doubly fed onshore wind turbines. The components need to bear the huge gravity, wind loads and alternating loads transmitted from the blades and hub, and transfer the loads to the generator, ensuring steady rotation of the main shaft. 
The products passed all customer inspections and assessments in one go and were officially delivery, stdaily.com reported.
Adopting an advanced modular design, the turbine components delivered can support flexible power adjustment ranging from 13 MW to 16 MW, enabling adaptive operation to varying and complex wind conditions across diverse regions, the report said.
The turbine's rotor diameter ranges from 240 meters to 260 meters, and are compatible with tower heights of 135 meters to 190 meters, delivering a maximum swept area of 53,000 square meters, roughly 8 standard football pitchs (105m×68m). This places the unit's overall performance among the world's top-tier.
Such super-large castings place extremely high demand on material properties, casting processes, dimensional accuracy and internal quality. The successful validation and delivery of the products therefore demonstrate the research and development, as well as manufacturing capabilities in super‑large wind power castings, stdaily.com reported.
Global Times
。    文一西路西延工程（二期）近日传来新消息，项目首条15米直径超大盾构隧道顺利贯通，为全线竣工通车奠定了关键基础。

B | 文一西路西延工程采用分期建设模式，其中一期工程已正式通车，对接运溪高架，初步搭建起城西快速通行路网。目前正在建设的二期工程东起狮山路、西至南湖圩堤，采用“地下隧道+地面道路”形式，重点依托超大直径盾构地下施工，最大程度降低对城西成熟生活区、城区道路交通的干扰。工程东段南线隧道计划于本月贯通，西段北线匝道计划于今年10月贯通。建成后，文一西路西延工程将串联青山湖科技城、南湖科学城与未来科技城，助推南湖融入城西科创大走廊，加速创新要素流通与产业融合，大幅拉近与未来科技城的时空距离，为区域协同发展注入新动能。文一西路持续向西延伸，连通临安青山湖，绝非简单的城市道路拓建升级，而是余杭、临安融城发展的核心纽带。从城市发展格局来看，杭州城西科创大走廊是全市科技创新的核心引擎、长三角科创产业的重要承载地，串联起未来科技城、紫金港科技城、青山湖科技城三大高能级科创平台，集聚了海量科创企业、高端人才与科研资源，是杭州城市西进、产业西拓的核心腹地。但长期以来，余杭核心科创区与临安青山湖板块存在明显的交通断点，区域内部快速路网体系不完善，仅依靠天目山西路、科技大道等地面道路通行，通行效率低、拥堵常态化，不仅造成市民通勤出行不便，更形成了“产业联动、人才流通、资源共享”三大壁垒，极大制约了城西科创大走廊整体能级提升。

C | 未来科技城主打数字经济、人工智能、互联网产业，科创企业密集、产业落地速度快；青山湖科技城聚焦高端装备制造、前沿科研、生物医药等硬核科创领域，拥有大量科研院所与产业试验平台，两大板块产业互补性极强。文一西路西延工程全线贯通后，将搭建起板块间的极速产业通道，彻底打破地域阻隔，推动“研发在未来科技城、落地在青山湖”的科创产业闭环成型，激活城西全域科创产能，助力杭州打造长三角顶尖科创高地。同时，还可以构建起城西核心东西向快速主轴，大幅缩短临安与主城、未来科技城的时空距离，极大缓解城西交通拥堵压力。

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