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潤滑油系統是冷水機運行不可缺少的部分

2024-01-01

油(you)位高度(du)、油(you)溫、油(you)差對冷水(shui)機有什么(me)影響?

潤(run)滑油(you)(you)系統是(shi)冷(leng)(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)正常(chang)運行不(bu)可缺少的(de)一部(bu)(bu)分,它為冷(leng)(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)的(de)運動部(bu)(bu)件提供潤(run)滑和冷(leng)(leng)(leng)(leng)卻條件。螺桿(gan)式(shi)冷(leng)(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)和部(bu)(bu)分活(huo)塞(sai)式(shi)冷(leng)(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)還需(xu)要(yao)使用潤(run)滑油(you)(you)來(lai)控制能量調節器或抽(chou)氣(qi)回收裝(zhuang)置。目前活(huo)塞(sai)式(shi)冷(leng)(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)將潤(run)滑油(you)(you)儲存在壓(ya)縮(suo)機(ji)(ji)(ji)曲軸箱中,而螺桿(gan)式(shi)冷(leng)(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)有(you)獨立的(de)潤(run)滑油(you)(you)系統,有(you)自己的(de)油(you)(you)箱,還有(you)專門用來(lai)降低油(you)(you)溫(wen)的(de)油(you)(you)冷(leng)(leng)(leng)(leng)卻器。因此(ci),油(you)(you)溫(wen)、油(you)(you)壓(ya)差、油(you)(you)位是(shi)否(fou)合適,將對冷(leng)(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)產(chan)生重要(yao)影響。

1、油位

是指儲(chu)油(you)(you)容(rong)(rong)器內(nei)潤滑(hua)油(you)(you)的(de)液位(wei)。冷水(shui)機(ji)儲(chu)油(you)(you)容(rong)(rong)器上(shang)設有油(you)(you)位(wei)顯示裝置。一般(ban)規定(ding)(ding)儲(chu)油(you)(you)容(rong)(rong)器內(nei)的(de)油(you)(you)位(wei)應(ying)在(zai)鏡子中央(yang)水(shui)平線以下5mm。規定(ding)(ding)油(you)(you)位(wei)的(de)目的(de)是保證油(you)(you)泵工作(zuo)時(shi),油(you)(you)循環所需的(de)油(you)(you)是充足(zu)的(de)。過低的(de)油(you)(you)位(wei)容(rong)(rong)易引起油(you)(you)泵不(bu)足(zu),從而引起運行故障或(huo)設備損壞。

2、油溫

油(you)(you)溫(wen)(wen)是指冷水(shui)機工(gong)作時潤滑(hua)油(you)(you)的溫(wen)(wen)度(du)。油(you)(you)溫(wen)(wen)對潤滑(hua)油(you)(you)的粘度(du)有(you)重(zhong)(zhong)要(yao)影(ying)響。如果(guo)油(you)(you)溫(wen)(wen)過低,油(you)(you)的粘度(du)會(hui)(hui)增(zeng)加(jia),流(liu)動(dong)性會(hui)(hui)下降(jiang)(jiang)(jiang),不容(rong)易形成均勻的油(you)(you)膜,因(yin)此不能(neng)達到(dao)預期的潤滑(hua)效果(guo),油(you)(you)的流(liu)動(dong)速(su)度(du)也會(hui)(hui)降(jiang)(jiang)(jiang)低,潤滑(hua)量會(hui)(hui)減少,油(you)(you)泵的耗電量會(hui)(hui)增(zeng)加(jia);如果(guo)油(you)(you)溫(wen)(wen)過高(gao),油(you)(you)的粘度(du)會(hui)(hui)下降(jiang)(jiang)(jiang),油(you)(you)膜達不到(dao)一定(ding)厚度(du),使運(yun)行部(bu)件(jian)難以承受必要(yao)的工(gong)作壓力,造成潤滑(hua)狀況惡化(hua),加(jia)重(zhong)(zhong)運(yun)動(dong)部(bu)件(jian)磨損,導致冷水(shui)機故障(zhang)。

3、油壓差

當潤滑(hua)油(you)在油(you)泵的驅動(dong)(dong)下流向油(you)系(xi)統管道中的各個工作位置時,是(shi)克服流動(dong)(dong)阻力(li)的保證。沒有足(zu)夠的油(you)壓差,冷水(shui)機的潤滑(hua)系(xi)統就(jiu)不能(neng)保證有足(zu)夠的潤滑(hua)冷卻(que)油(you)和驅動(dong)(dong)能(neng)量調節裝置所需的功(gong)率。因此,冷水(shui)機組油(you)系(xi)統的油(you)壓差必須在合理(li)的范圍內,使機組的運(yun)動(dong)(dong)部件得到充分的潤滑(hua)和冷卻(que),使能(neng)量調節裝置能(neng)夠靈活地(di)運(yun)行。