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如果遼寧（níng）升降機使用的（de）時間過（guò）長，液壓係統就會有所堵塞，造（zào）成（chéng）設備升（shēng）降速度過慢，有的時候可能不能升降（jiàng），所以定時的清理液壓係（xì）統很重要，那（nà）麽我們應該如何清理液壓係統呢？下麵為（wéi）就大家詳細講述清理（lǐ）的方法和步驟。If the Liaoning elevator use time is too long, the hydraulic system will be blocked, resulting in equipment lifting speed is too slow, sometimes may not be able to lift, so cleaning hydraulic system timing is very important, so we should how to clean up the hydraulic system? Here are the details about the cleaning methods and procedures.
1.選擇（zé）清（qīng）洗油：當（dāng）係統管路（lù）、油箱較幹淨時，可（kě）選（xuǎn）用與工作油液相同黏（nián）度的清洗油；如係統內（nèi）不幹淨，可選用黏度稍低的清洗油清洗。清洗油應與係統（tǒng）工作介質、所有密封件的材質相容。Choice of cleaning oil: when the system pipeline, the fuel tank is clean, can be used to work with the same viscosity of the oil liquid cleaning oil, such as the system is not clean, can use a slightly lower viscosity of the cleaning oil. Cleaning oil should be compatible with the working medium of the system, the material of all seals.
2.加熱清洗油：熱油能使係統內附著物容易遊離脫落，一般需加熱至50～60℃，清洗壓力為0.1～0.2MPa，清洗油流量應盡可能大些，以利於帶（dài）走汙（wū）物。Heating oil: oil cleaning system can be easily attached material free fall, generally need to be heated to 50 to 60 DEG C, cleaning pressure is 0.1 ~ 0.2MPa, the cleaning of oil flow should be as large as possible, in order to take away the dirt.
3.安（ān）裝（zhuāng）遼（liáo）寧升（shēng）降機濾油器：在清（qīng）洗回路中，進油口安裝50～100m的粗（cū）濾油器，回（huí）油口安裝10～50m的精濾油器。開始時粗濾，衝洗（xǐ）一（yī）段時間後逐（zhú）步改用網（wǎng）眼細的濾油器，進行分（fèn）次過濾。Installation of Liaoning elevator filter: in the cleaning circuit, the oil inlet to install 50 ~ 100m of the crude oil filter, oil return to install 10 ~ 50m of the refined oil filter. At the beginning of coarse filter, a period of time after washing and gradually replaced by oil filter mesh fine, for filtering.
4.應使液壓泵間歇運轉：為使清洗效果好，應使液壓泵轉轉、停停。在清洗過程中應（yīng）用木錘輕輕敲擊油管數次，以（yǐ）促使汙物盡快脫落，管路（lù）的彎曲和焊接部位要多錘擊（jī），但不可用（yòng）力過猛，以防（fáng）損壞油管（guǎn），錘擊時間占（zhàn）清洗時間的15％。The hydraulic pump intermittent operation: to make good cleaning effect, should make the hydraulic pump stop, stop. Application of wooden hammer tapping oil several times in the cleaning process, in order to promote as soon as possible dirt shedding, bending and welding line to hammer, but not overexert, in order to prevent damage to the tubing, hammer time cleaning time 15%.
5.確保清洗液流動為紊（wěn）流狀態：為了有效的（de）清洗，清（qīng）洗液（yè）流動必須（xū）成為紊流狀態，即保證雷諾數在4 000以上才能確保清洗效果好；否則，清洗液（yè）應增加流量，升高溫度，降（jiàng）低黏度（dù）。小流量（liàng）室溫下清洗，一般效果較差。To ensure that the cleaning fluid is turbulent flow state: for effective cleaning, cleaning fluid flow must become turbulent state, which is to ensure the Reynolds number to ensure good cleaning effect in more than 4000; otherwise, the cleaning liquid should increase the flow, temperature, viscosity reducing. Small flow at room temperature, the general effect is poor.
6.排淨清洗油：清洗終了應將清洗油排除幹淨，包括泵、閥、管路及油冷（lěng）卻器內存油，可鬆開管路排油後並用壓（yā）縮空氣吹掃，或加入工作油（yóu）液帶走清洗油。Drain cleaning oil: end cleaning cleaning oil should be removed, including pump, valve, pipeline and oil cooler oil can loosen the line memory, drain and blow out with compressed air, or adding oil cleaning oil away.
7.遼寧（níng）升降機加入液壓油：排淨清（qīng）洗油後，應盡快加入液壓油並進（jìn）行短時間試運轉，以防管路鏽蝕等。Liaoning elevator to join the hydraulic oil: after cleaning oil, the hydraulic oil should be added as soon as possible and carry out a short test run, in case of pipeline corrosion and so on.
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