概述:為提高水泥運輸效率,減少袋裝水泥造成的資源浪費,目前大部分水泥采用小型散裝攪拌車(chē)運輸,因為小型攪拌車(chē)采用氣力輸送和卸料,卸料速度和
為提高水泥運輸效率,減少袋裝水泥造成的資源浪費,目前大部分水泥采用小型散裝攪拌車(chē)運輸,因為小型攪拌車(chē)采用氣力輸送和卸料,卸料速度和卸料剩余率是評價(jià)袋裝水泥運輸效率的重要指標水泥罐車(chē)卸料效率。采用正確的方法,保證小型攪拌機罐內水泥盡可能的排出,是非常重要的。由于在卸料過(guò)程中肉眼無(wú)法直接看到罐內水泥,必須采用一些方法來(lái)識別水泥的卸料情況。以下是一些確定水泥是否已卸下的簡(jiǎn)單方法: Inordertoimprovetheefficiencyofcementtransportationandreducethewasteofresourcescausedbybaggedcement,mostofthecementistransportedbysmallbulkmixersatpresent,becausethesmallmixersusepneumaticconveyingandunloading,andtheunloadingspeedandunloadingresidualrateareimportantindicatorsforevaluatingtheefficiencyofbaggedcementtransportation.Itisveryimportanttousethecorrectmethodtoensurethatthecementinthesmallmixertankisdischargedasmuchaspossible.Becausethecementinthetankcannotbeseendirectlybythenakedeyeintheunloadingprocess,somemethodsmustbeusedtoidentifytheunloadingofcement.Herearesomesimplewaystodetermineifthecementhasbeenremoved:
壓力表檢查方法:中科聚峰攪拌機卸料時(shí),罐內氣壓為1.8-2.4kg/cm~2,卸料完畢,氣壓迅速下降。如果壓力表降0-0.2kg/cm~2,說(shuō)明罐內水泥基本卸出。
Inspectionmethodofpressuregauge:duringunloadingofZhongkeJufengmixer,theairpressureinthetankis1.8-2.4kg/cm2.Afterunloading,theairpressuredropsrapidly.Ifthepressuregaugedropsto0-0.2kg/cm2,thecementinthetankisbasicallydischarged.
根據卸料時(shí)間的判斷方法,普通水泥罐的卸料速度一般為1-1.2噸/分鐘。如果水泥的裝載重量是32噸,通常需要半小時(shí)才能卸下。因此,卸貨時(shí)間可根據卸貨噸位計算。這樣,接線(xiàn)員在前25分鐘就相對容易了。不用長(cháng)時(shí)間盯著(zhù)壓力表,也不用用其他方法檢查卸料是否完成。
Accordingtothejudgmentmethodofunloadingtime,theunloadingspeedofordinarycementtankisgenerally1-1.2t/min.Iftheloadingweightofcementis32tons,itusuallytakeshalfanhourtounload.Therefore,theunloadingtimecanbecalculatedaccordingtotheunloadingtonnage.Inthisway,theoperatorisrelativelyeasyinthefirst25minutes.Donotstareatthepressuregaugeforalongtime,anddonotuseothermethodstocheckwhethertheunloadingiscompleted.
空壓機聲音識別方法:空壓機在正常卸荷時(shí)間和空間內負荷較大,空壓機在運行過(guò)程中產(chǎn)生的聲音比較沉悶。卸罐結束時(shí),空壓機負荷變小,工作聲音清脆。
Aircompressorsoundrecognitionmethod:theaircompressorhasalargeloadinthenormalunloadingtimeandspace,andthesoundproducedbytheaircompressorintheoperationprocessisrelativelydull.Attheendofunloading,theloadofaircompressorbecomessmallerandtheworkingsoundisclear.
在卸水泥過(guò)程中,可以用手敲打水泥罐。如果聲音中沒(méi)有回聲,則證明罐內有大量水泥剩余,需要卸載一段時(shí)間;如果罐內有回聲,則證明罐內水泥幾乎排出。 Intheprocessofunloadingcement,thecementtankcanbeknockedbyhand.Ifthereisnoechointhesound,itisprovedthatthereisalargeamountofcementleftinthetank,whichneedstobeunloadedforaperiodoftime;ifthereisechointhetank,itisprovedthatthecementinthetankisalmostdischarged.
卸料膠管觀(guān)察方法:正常卸料時(shí),卸料膠管受到流態(tài)化水泥的沖擊,膠管不斷晃動(dòng)。如果軟管不晃動(dòng),也可以證明罐內水泥基本排出。 Observationmethodofunloadingrubberhose:duringnormalunloading,theunloadingrubberhoseisimpactedbyfluidizedcement,andtherubberhosecontinuouslyshakes.Ifthehosedoesnotshake,itcanalsoprovethatthecementinthetankisbasicallydischarged.
根據水泥接收塔頂揚灰的識別方法,正常卸料時(shí),水泥耗氣量相對較小,“多料少氣”,接收塔頂揚灰較少,卸料后期“少料多氣”,更多的提升灰在接收塔的頂部。
Accordingtotheidentificationmethodofliftingashonthetopofthecementreceivingtower,duringnormalunloading,theairconsumptionofcementisrelativelysmall,"morematerialandlessgas",lessliftingashonthetopofthereceivingtower,and"lessmaterialandmoregas"atthelaterstageofunloading,moreliftingashisonthetopofthereceivingtower.
上述方法中的一種或兩種可用于簡(jiǎn)單地確定小型攪拌機的水泥是否已卸下。由于不同的結構、不同的空壓機、不同的水泥接收塔高度、不同的水泥裝車(chē)比例,卸料速度和剩余率會(huì )有所不同。司機可記錄實(shí)際操作方法和卸料時(shí)間,并不斷總結經(jīng)驗檢查,獲得操作方法,達到卸料效率。
Oneorbothoftheabovemethodscanbeusedtosimplydeterminewhetherthecementofasmallmixerhasbeendischarged.Becauseofdifferentstructure,differentaircompressor,differentheightofcementreceivingtoweranddifferentloadingproportionofcement,theunloadingspeedandresidualratewillbedifferent.Thedrivercanrecordtheactualoperationmethodandunloadingtime,andconstantlysummarizetheexperienceandchecktoobtaintheoperationmethodandachievetheunloadingefficiency.