secondary air duct 中文意思是什麼

secondary air duct 解釋
二次風道
  • secondary : adj 1 第二（位）的，第二次的；中級的 （opp primary）。2 副（的）；從屬的；附屬的；輔助的；補充的...
  • air : n 1 空氣，大氣。2 天空，空中。3 微風，和風。4 態度，樣子，風度，氣派；〈pl 〉高傲的架子。5 傳播，...
  • duct : n. 1. 管，導管，輸送管；槽，溝，渠道。2. 【無線電】波道；【電學】（電線，電纜等的）管道。
  1. Hot waste gas from grate cooler is divided into four parts : part of it is sent to kiln as secondary air, part of it is sent to decomposition furnace as burning air by tertiary duct, and the rest is drained to the atmosphere after purified by electric dust collector at kiln head

    出篦冷機高溫廢氣一部分作為窯用二次空氣入窯；一部分由三次風管送到分解爐作為燃燒空氣；剩餘廢氣經窯頭電收塵器凈化處理後排入大氣。
  2. The secondary air duct of boilers is a group of large diameter short ducts in parallel connection, having inlet air flow condition with inner positioned resistant pieces

    摘要鍋爐二次風道為有內置阻力件的一組並聯大口徑短通道，其阻力系數嚴重偏小而且風門渦流強烈，從而造成二次風強烈脈動。
  3. Increasing original resistan coefficient of the secondary air duct can improve the adjusting performance of air damper, and inhibit pulsation of the flow rate

    增加二次風道的原始阻力系數，可以使風門的調節特性得到改善並抑制流量脈動。
  4. The straight section of secondary air duct for boiler of 600 mw supercritical unit manufactured by dongfang boiler factory is shorter, at the time the measurement of air flow is being carried out by adopting velocity - equalizing tube flowmeter, the required precision can ' t be reached

    摘要東方鍋爐廠製造的600mw超臨界機組鍋爐二次風道的直管段較短，採用均速管流量計進行風量測量時，達不道精度要求。
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