超超臨界鍋爐用優(yōu)化內(nèi)螺紋冷拔無縫鋼管的生產(chǎn)
Manufacture of Optimum Cold-drawn Internal-spiral Seamless Steel Tube for Ultra-supercritical Boiler Service
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摘要: 內(nèi)螺紋鋼管因具有傳熱快、效率高的優(yōu)點而在超臨界火電鍋爐中得到廣泛應(yīng)用。比較了普通內(nèi)螺紋鋼管和優(yōu)化內(nèi)螺紋鋼管的異同,簡要介紹了內(nèi)螺紋鋼管的拔制原理和技術(shù)要求,分析了優(yōu)化內(nèi)螺紋鋼管的生產(chǎn)難點和控制要點。常州常寶精特鋼管有限公司通過改進工模具設(shè)計、優(yōu)化變形工藝,成功生產(chǎn)出優(yōu)化內(nèi)螺紋鋼管,其產(chǎn)品各項參數(shù)指標(biāo)均符合相關(guān)標(biāo)準(zhǔn)要求,實物質(zhì)量達到國外同類產(chǎn)品的先進水平。Abstract: The internal-spiral steel pipe is widely used in the industrial field of manufacture of ultra-supercritical boiler for thermal power plant due to its advantages like quick heat transfer and high efficiency. Compared are the similarities and differences between the ordinary internal-spiral steel pipe and the optimum internal-spiral steel pipe. Described are the drawing principle and technical requirements for the internal-spiral steel pipe. Analyzed are the critical points and the control tips in manufacture of the optimum internal-spiral pipe. The optimum internal-spiral pipe is eventually produced successfully by Changzhou Changbao Jingte Steel Pipe Co., Ltd. by means of improving design of the tooling and dies and optimizing the deformation process. All the parameter indexes of the product are up to the requirements as specified in applicable standard,and the objective quality is also up to the advanced level of similar products as made abroad.
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