後（hòu）傾離心風（fēng）機隻是由於（yú）氣體流（liú）速較低，壓力變化不大，氣體比容的變化在通常情況下（xià）都不需（xū）要（yào）考慮，離心風機是最常用的機械通風（fēng）設備，提高氣體壓力並排（pái）送氣體的機械，離心風機（jī）是一種從動的流體機械，也就是（shì）說把氣體作為不可壓（yā）縮流體處理（lǐ）離心風機是（shì）依靠輸入的機械能（néng）。
Back-tilt centrifugal fan is only because the gas flow rate is low, pressure changes little, the change of gas specific capacity in normal circumstances do not need to be considered, centrifugal fan is the most commonly used mechanical ventilation equipment, improve gas pressure side by side gas delivery machinery, centrifugal fan is a driven fluid machinery, that is to say, as the gas The centrifugal fan for incompressible fluid treatment depends on the input mechanical energy.
1、殼內不應有掉入（rù）和遺留的工具和雜物，安裝時，注意檢查（chá）機殼，為了防止生（shēng）鏽，減少（shǎo）拆卸困難，在一些接合麵上（shàng），應塗上一些潤滑脂或機械油，離心風（fēng）機與地基接合麵，更（gèng）不許將管道重量加在風機各部件上，如（rú）發現問（wèn）題，應立即（jí）予以修好和調整（zhěng）。並注意保證風機的水平位置。
In order to prevent rust and reduce the difficulty of disassembly, lubricating grease or mechanical oil should be applied on some joining surfaces. The joining surface between centrifugal fan and foundation should be coated, and the weight of pipeline should not be added to all parts of the fan, if problems are found. It should be repaired and adjusted immediately. And pay attention to ensure the horizontal position of the fan.
2、安裝前，應對風機各部件進行全麵檢查。機件是否完（wán）整，葉輪與機殼的旋轉方向是否一致，進出（chū）風管道（dào）聯接時應調整使之自然吻合，不得強行聯接，各部件聯接是否緊密，葉輪、主軸、軸承等主要機件有（yǒu）無損傷，傳（chuán）動組件（jiàn）是否靈活等等。
2, before the installation, check all parts of the fan thoroughly. Whether the machine parts are complete, whether the rotating direction of impeller and casing is the same, whether the inlet and outlet air pipes are connected naturally, not forcibly, whether the components are tightly connected, whether the main parts such as impeller, spindle, bearing are not damaged, whether the transmission components are flexible, etc.
在（zài）工廠、礦（kuàng）井、隧道、冷卻塔等領域經常會用到離心風機，那麽，我們應如何選擇一款（kuǎn）適合自己的離心風機呢（ne）？
Centrifugal fans are often used in factories, mines, tunnels, cooling towers and other fields. So, how should we choose a suitable centrifugal fan?
1.選購時，應注意離心風機的風（fēng）量、全壓、效（xiào）率、比聲壓（yā）級（jí）、轉速及電機功率等參數（shù）；
When choosing and purchasing the centrifugal fan, attention should be paid to such parameters as air volume, total pressure, efficiency, specific sound pressure level, rotational speed and motor power.
2.根據被輸送氣體的物理性質、化（huà）學性質、用途等（děng）的不同，選擇不同型號的離心風機；
2. Different types of centrifugal fans are selected according to the different physical, chemical and usage of the conveyed gas.
3.選擇風機的型號時，一般（bān）選擇風（fēng）量（liàng）為1.05～1.1，風壓為（wéi）1.10～1.15 的安全係數，不宜采用（yòng）過大的（de）安全係數，以免（miǎn）通風（fēng）機長（zhǎng）期處在低效率區運（yùn）行；
3. When choosing the type of fan, generally choose the safety factor of air volume 1.05-1.1, air pressure 1.10-1.15, should not adopt excessive safety factor, in order to avoid the fan running in low efficiency area for a long time.
4.通風（fēng）機應在高效率點附（fù）近工作，工作點應（yīng）位（wèi）於性（xìng）能曲線中全壓峰（fēng）值點的右側，以使通（tōng）風機能穩定運行（háng）；
4. The fan should work near the high efficiency point, and the working point should be located on the right side of the peak point of total pressure in the performance curve, so that the fan can run stably.
5.風機的選用設計工況效率不得低於風機最高效率的90%；
The efficiency of selecting and designing the 5. fan is not less than 90% of the maximum efficiency of the fan.
6.當風（fēng）機使用工況（如氣體溫（wēn）度、大氣壓力等）與風機樣本工況不一致時，應（yīng）對風機性能進行修正。
6. When the working condition of the fan (such as gas temperature, atmospheric pressure, etc.) is not consistent with the working condition of the fan sample, the fan performance should be corrected.
我（wǒ）們在選擇離心（xīn）風機時，應認真比較，根據上述措施選擇（zé）一款適（shì）合自己（jǐ）的分級，選（xuǎn）擇過程中，還要優先（xiān）選擇效率較高、機（jī）器尺寸較小、重量輕、調節範圍較大（dà）的風機。
When choosing centrifugal fans, we should carefully compare, according to the above measures to select a suitable for their own classification, selection process, but also give priority to the selection of high efficiency, small machine size, light weight, large adjustment range of fan.
長壽離心風機廠 | 江津離（lí）心（xīn）風（fēng）機廠 | 合川離心風機（jī）廠 | 永川離心（xīn）風機廠 | 南川離心風機廠 | 綦江離心風機廠 | 潼南離心風機廠 | 銅梁離心（xīn）風機廠 | 大足離心風機廠 | 榮（róng）昌離心風機廠 | 璧山離心風機廠 | 梁（liáng）平離心風機廠 | 城（chéng）口離心（xīn）風機（jī）廠 | 豐都離心風（fēng）機廠 | 墊江離心風機（jī）廠 | 武隆離心風機廠 | 忠離心風機廠 | 開離心風機廠 | 雲陽（yáng）離心風機廠 | 奉節離（lí）心風機廠 | 巫山離心風機（jī）廠（chǎng） | 巫溪離心風（fēng）機廠 | 石柱土（tǔ）家族自治離心風機廠 | 秀山（shān）土家族苗族（zú）自治離心（xīn）風機廠 | 酉陽土家族苗族自治離心風機廠 | 彭水苗族土（tǔ）家族自治離心風機廠 | 黑龍江離心風機廠 | 哈爾濱離心風機（jī）廠 | 齊齊哈（hā）爾離心風機廠 | 雞西離心風機廠| 鶴崗離心風機（jī）廠 | 雙鴨山離（lí）心風機廠 | 大慶離心風機廠 | 伊春離心風機廠 | 佳木斯離心風機廠 | 七台河離心風機（jī）廠（chǎng） | 牡丹江離心風機廠（chǎng） | 黑（hēi）河離心風機廠（chǎng） | 綏化離心風機（jī）廠 | 大興安嶺地離心風機廠 | 吉林離心（xīn）風機廠 | 長春離心風機廠 | 吉林離心風機廠 | 四平離心風機廠 | 遼源離心風機廠 | 通化離心風機廠 | 白山離心（xīn）風機廠 | 鬆原離心風機廠 | 白城離心風機廠（chǎng） | 遼（liáo）寧離心風機（jī）廠 | 沈陽離心（xīn）風（fēng）機廠 | 大（dà）連離心（xīn）風機廠 | 鞍山（shān）離心風機廠 | 撫順離心風機廠 | 本溪離心風機（jī）廠 | 丹東離心風機廠 | 錦州（zhōu）離心風機廠（chǎng） | 營口離心風（fēng）機廠 | 阜（fù）新離心風機廠 | 遼陽離心（xīn）風機廠 | 盤錦離心風機廠 | 鐵嶺離心風機廠 | 朝陽離心風機廠（chǎng） | 葫蘆島離心風機廠 | 山東離心風機廠
