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I-Credo Pump iya kuzinikela ekuphuhliseni ngokuqhubekayo

Uhlalutyo lweCase Case ye-Split Case yokuNgqogqa kweMpompo yamanzi kunye neeNgozi ezaphukileyo

Iindidi:Inkonzo yobuGcisa umbhali: Imvelaphi:Imvelaphi Ixesha lokukhutshwa: 2023-11-22
Indawo: 20

Zintandathu 24-intshi ityala lokwahlula iimpompo zamanzi ezijikelezayo kule projekthi, ezifakwe kwindawo evulekileyo. Iiparamitha zempompo yegama lezi:

Q=3000m3/h, H=70m, N=960r/m (esona santya sifikelela kuma-990r/m)

Ixhotyiswe ngamandla emoto angama-800kW

Iiflange kwiziphelo zombini zomdibaniso wokwandiswa kweerubha ziqhagamshelwe kwimibhobho ngokulandelanayo, kwaye iiflange kuzo zombini iziphelo ngokwazo azixhunywanga ngokungqongqo kunye neebholiti ezinde.

emva kokubaimpompo yecala lokwahlulaifakiwe, ukulungisa ingxaki kuqala enye nenye. Ezi meko zilandelayo zenzeka ngexesha lokulungiswa kweempazamo:

1. Zombini isiseko sempompo kunye ne-cement-fixed buttress yombhobho wokukhupha ziyasuswa. Isalathiso sokufuduswa njengoko kubonisiwe kwisazobe sesixhobo sesixhobo: impompo ishukuma iye ngasekunene, kwaye i-buttress esisigxina isiya ngasekhohlo. Izihlalo zesamente zeempompo ezininzi zeempompi ziye zaqhekeka ngenxa yokufuduswa.

2. Ukufundwa kwegeyiji yoxinzelelo kufikelela kwi-0.8MPa ngaphambi kokuba ivalve ivulwe, kwaye imalunga ne-0.65MPa emva kokuba ivalve ivulwe ngokuyinxenye. Ukuvulwa kwevalve yebhabhathane yombane malunga ne-15%. Ukunyuka kweqondo lokushisa kunye ne-vibration amplitude yeendawo zokuthwala ziqhelekileyo.

3. Emva kokumisa umpompo, jonga ukulungelelaniswa kokudibanisa. Kufunyaniswa ukuba ukudityaniswa komatshini kunye nempompo zimbini zihambelana kakubi kakhulu. Ngokutsho kokuhlolwa kwe-installer, ukungahambi kakuhle kakhulu yimpompo #1 (i-misalignment 1.6mm) kunye nepompo #5 (i-misalignment). 3mm), 6# impompo (igxadazelwe yi-2mm), ezinye iimpompo zikwanamashumi eengcingo zokungahambi kakuhle.

4. Emva kokulungelelanisa ukulungelelaniswa, xa uqalisa kwakhona isithuthi, umsebenzisi kunye nenkampani yokufakela wasebenzisa isalathisi sokudayela ukulinganisa ukufuduka konyawo lwempompo. Ubuninzi be-0.37mm. Kubekho ukubuya kwakhona emva kokuba impompo imisiwe, kodwa indawo yonyawo lwempompo ayikwazanga ukubuyiselwa.

Ingozi yeshaft eyaphukileyo yenzeke kwimpompo #5. Phambi kokuba i-shaft ye-5# yepompo yaphuke, yayibaleka ngamaxesha ka-3-4, kwaye ixesha elipheleleyo lokubaleka lalimalunga neeyure ezingama-60. Emva komqhubi wokugqibela, i-asi yaphuka ngexesha lokusebenza kude kube sebusuku obulandelayo. I-shaft ephukileyo ifumaneka kwi-recess of drive end bearing positioning shoulder, kwaye icandelo lomnqamlezo lithambekele kancinci kumbindi we-shaft.

Uhlalutyo lonobangela wengozi: Ingozi yokwaphuka kweshafu yenzeke kwimpompo engu-5#. Kunokubakho iingxaki ngomgangatho we-shaft ngokwayo okanye izinto zangaphandle.

1. Ishafu yempompo ye-5 # yaphukile. Akunakukhutshwa ukuba kukho iingxaki ezisemgangathweni kunye ne-5 # yempompo shaft. Ezi ngxaki zisenokuba ziziphene kwisixhobo se-shaft ngokwaso, okanye zinokubangelwa kukuxinana koxinzelelo olubangelwa kukusetyenzwa kwe-arc engaqhelekanga ye-5# ye-pump shaft undercut groove. Esi sizathu sokuba kutheni i-5# yempompo shaft yophukile. I-axis ibangela imiba yobuntu.

2. I-shaft ephukile yepompo ye-5 # ihambelana nokufuduka kwempompo okubangelwa amandla angaphandle. Ngaphantsi kwesenzo samandla angaphandle, ulungelelwaniso lwasekhohlo nasekunene lwe-5# yokudibanisa impompo yeyona inkulu. La mandla angaphandle aveliswa ngenxa yoxinzelelo olwenziwa luxinzelelo lwamanzi kumbhobho wokukhupha (olu xinzelelo F xa P2=0.7MPa:

F=0.7×10.2×(πd2)÷4=0.7×10.2×(π×802)÷4=35.9T, xa ivalve ivaliwe, P2=0.8MPa, ngeli xesha F=0.8×10.2×(π× 802 )÷4=41T), loo mandla amakhulu okutsala akanako ukumelana nokuqina kodonga lombhobho werabha, kwaye kufuneka udlulele ngasekhohlo nasekunene. Ngale ndlela, amandla adluliselwa ekunene kwimpompo, ebangela ukuba ifuduke, kwaye ngasekhohlo ukuya kwi-pier yesamente, ibangela ukuba i-buttress inamandla kwaye ayiwi, ukufuduka kwempompo ukuya ngasekunene. iya kuba nkulu. Iinyani zibonisile ukuba i pier yesamente yempompo 5# ayiqhekekanga, ukufuduswa kwempompo 5# kuya kuba kukhulu. Ke ngoko, emva kokumisa, ulungelelwaniso olugwenxa nasekhohlo lokudityaniswa kwempompo ye-5# iya kuba yeyona inkulu (iakhawunti yoluntu: Pump Butler).

3. Ngenxa yokuba ukuqina kodonga lombhobho werabha akukwazi ukumelana nokutyhala okukhulu kwamanzi kwaye yolule ngokwe-axially, i-outlet yempompo iphantsi koxinzelelo olukhulu lwangaphandle (i-inlet kunye neeflange zokuphuma zempompo azikwazi ukumelana namandla angaphandle ombhobho), ukubangela ukuba umzimba wempompo utshintshe kwaye ukudibanisa ukuhlukana. , iishafu ezimbini zomatshini kunye nokwahlula impompo yetyala qhuba ngokungeyo-concentrically, nto leyo yinto yangaphandle ebangela ukuba shaft ye-5# impompo yaphuke.

Isisombululo: Qhagamshela ngokungqongqo amacandelo amatayara kunye nezikrufu ezinde, kwaye uvumele umbhobho wokukhupha ukuba wolule ngokukhululekileyo. Iingxaki zokufuduka kunye nokuqhekeka kwe-shaft azisayi kuphinda zenzeke.

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