A06B-6082-H215#H511
A06B-6082-H215#H511現(xiàn)場(chǎng)主要存在以下問(wèn)題:
(1)因循環(huán)水泵自身負(fù)載較重,起動(dòng)轉(zhuǎn)矩大,采用全壓直接起動(dòng)方式,啟動(dòng)電流達(dá)到了額定電流的4~6倍,啟動(dòng)時(shí)對(duì)整個(gè)電氣系統(tǒng)的沖擊比較大,對(duì)電氣系統(tǒng)的平穩(wěn)運(yùn)行帶來(lái)不利影響;
(2)為保證管網(wǎng)中的壓力和流量在不同的用水條件下滿足生產(chǎn),需要開(kāi)三臺(tái)泵,但是流量是有富裕的,為了保證管網(wǎng)壓力和流量的穩(wěn)定,不得不指派專職生產(chǎn)操作人員巡查管網(wǎng)的壓力,并隨時(shí)調(diào)整閥門的開(kāi)度及泄壓溷排水,不僅造成生產(chǎn)操作人員的勞動(dòng)強(qiáng)度大,而且浪費(fèi)了大量寶貴的水資源,不符合我國(guó)節(jié)約用水的理念;
(3)在用水需量較小的時(shí)候,電機(jī)也全壓、全轉(zhuǎn)速運(yùn)轉(zhuǎn),造成“大馬拉小車”現(xiàn)象,產(chǎn)生大量的電能浪費(fèi),同時(shí),導(dǎo)致功率因數(shù)降低;
(4)電機(jī)一直處于全轉(zhuǎn)速運(yùn)轉(zhuǎn)狀態(tài),造成電機(jī)軸承極易出現(xiàn)發(fā)熱和磨損的現(xiàn)象,夏天時(shí),電機(jī)軸承溫度高可達(dá)到85℃,加速了軸承潤(rùn)滑脂的破壞,磨損的軸承及時(shí)更換,加速了電機(jī)的維護(hù)保養(yǎng)速度,大大地增加了系統(tǒng)的運(yùn)營(yíng)成本;
(5)電機(jī)軸承的磨損,還造成整個(gè)系統(tǒng)運(yùn)行的噪音增大,對(duì)員工的身體健康產(chǎn)生不利影響。
A06B-6082-H215#H511
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