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- main fan' s flesible 主扇風(fēng)機
- Development of Main Fan in Taiping Mine of Panzhihua Coal Group Co., Ltd. 攀煤集團太平礦主通風(fēng)機的研制。
- The opposite direction airflow in Eastern Main Shaft of Certain Mine is caused by the main fan stoping work to undergo repair. 某礦東主井因停產(chǎn)檢修、主扇停運引起了主井風(fēng)流反向。
- Then we enlarge the inlet area and the effective dimension of the main fan,and so the work performance of the main fan reaches the desinged requirment. 通過(guò)擴大風(fēng)機進(jìn)風(fēng)口截面積和進(jìn)風(fēng)箱有效容積,風(fēng)機的工作性能達到了設計指標要求。
- This paper analyzes the phenomenon of dongfeng well main fan breathing vibration and find out its reasons,and offers several ways of eliminating the breathing vibration. 分析了小恒山煤礦東風(fēng)井喘振現象,找出了喘振產(chǎn)生的原因,并給出了幾種消除喘振的方法。
- According to the feature of site arrangement of type GAF main fan, the performance testing method which is safe &practicable for GAF main fan is put forward. 根據GAF主通風(fēng)機裝置現場(chǎng)布置特點(diǎn)，提出了針對GAF主通風(fēng)機安全可行的裝置性能測試方案；
- This paper introduces the apparatus used for periodical testing of mining main fan function.This apparatus is simple,easy to carry,operating sparing and high precision of testing. 介紹了自制的煤礦主通風(fēng)機性能定期測定儀,該儀器簡(jiǎn)單便攜、操作方便、測量精度高。
- Versal demonstration and in the determination of the ventilation reversal rate,the pressure of main fan should not be lowered too much and a certain safety factor should be reserved. 通用示范和決心，通風(fēng)逆轉率的壓力，主扇不應該降低太多，有一定的安全系數應保留。
- The main content of this paper introduces that adjusting speed and energy saving is the best plan on the main fan of coal mine,through analyzing the characterful chart of the ventilation system. 通過(guò)對通風(fēng)系統特性曲線(xiàn)和應用實(shí)例的分析,說(shuō)明調速節能是礦井主通風(fēng)機改造的優(yōu)選方案。
- This paper introduces the manufacture and design process of main fan wind pressure gives an alarm panalarm,analyses its working principle,function,characteristic and practicing application. 介紹了主通風(fēng)機風(fēng)壓失常報警裝置的設計和研制過(guò)程,分析了它的工作原理。
- The Regulation for the Main Fan Noise 風(fēng)機噪聲治理
- Transform of main fan diffuser under mine 礦井主扇擴散器的改造
- Automatic Control on Main Fan Motor 主變風(fēng)扇電機的自動(dòng)控制
- Keywords main fan;actiyator;energy saving; 主扇;調速器;節能;
- main fan surface corrosion prevention 主扇表面防腐
- The main impediment to growth is a lack of capital. 影響發(fā)展的主要障礙是缺乏資本。
- Keywords monitor;main fan;alarm; 監測;主要通風(fēng)機;報警器;
- the frequency conversion and tirning of main fan 主風(fēng)機變頻調速
- Crowds thronged the main square of the city. 城里的大廣場(chǎng)上擠滿(mǎn)了人群。
- My main concern is with the W's and L's. 我關(guān)注的是一場(chǎng)比賽的輸贏(yíng)。
