Yuav ua li cas xaiv lub diaphragm twj: cov lus qhia thiab tshuaj xyuas. Hom diaphragm twj tso kua mis

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Pumps yog cov khoom siv uas tau siv dav hauv ntau qhov kev lag luam, nrog rau kev daws qee qhov teeb meem hauv lub neej niaj hnub. Muaj ntau ntau yam ntawm cov cuab yeej no. Diaphragm twj tso kua mis yog qhov nrov tshaj plaws thiab siv tau. Lawv qhov chaw nyob rau hauv Russia yog loj hlob. Lawv cov qauv tsim yog dab tsi? Qhov zoo ntawm cov twj no yog dab tsi? Yuav tsum xav txog dab tsi thaum lawv ua haujlwm?

Lub twj tso kua mis ua haujlwm li cas

Lub diaphragm twj ua haujlwm li cas? Lub tswvyim yog qhov no. Cov cuab yeej no muaj ob kab noj hniav tso ib qho tawm tsam rau lwm qhov. Lawv raug cais los ntawm ib daim nyias nyias - hloov tau yooj yim, tab sis tib lub sij hawm muaj zog phaj. Ib kab noj hniav yog ntim nrog huab cua, lwm qhov muaj kua. Nruab nrab ntawm lawv, nyob rau hauv lem, yog ib tug distributor uas ua nyob rau hauv daim nyias nyias kom nws tsiv rov qab thiab tawm nrog ib tug me me amplitude.

Vim li ntawd, qee qhov ntim ntawm cov kua dej tawm ntawm ib lub kab noj hniav, thiab nqus mus rau lwm qhov. Thaum lub membrane occupies lub opposite txoj hauj lwm - cov khoom txav nyob rau hauv lub kab rov tav dav hlau - vim muaj nyob rau hauv cov qauv.tshwj xeeb valve los ua ke. Lub diaphragm twj tso kua mis yog li ua haujlwm ntawm lub hauv paus ntsiab lus ntawm cov khoom xa tawm - raws li qhov tseeb, cov khoom siv piston. Tab sis tom kawg, raws li txoj cai, tsis muaj qhov hloov pauv tau zoo li daim nyias nyias. Cov txheej txheem tsim khoom ntawm chav tsev lav kev ruaj ntseg ntawm cov cuab yeej.

Vim qhov qauv tsim, lub diaphragm twj tso kua mis chamber yog xyaum tsis muaj kab mob. Hauv qhov no, cov khoom siv zoo li no hauv chav kawm ntawm kev ua haujlwm ua haujlwm coj tau zoo dua li cov piston ib txwm muaj. Cov twj diaphragm yog qhov zoo tshaj plaws rau kev siv dej, cov kua dej uas muaj qhov ntom ntom thiab viscosity, thiab slurries.

Khoom siv ntawm kev tsim

Lub twj tso kua mis diaphragm feem ntau yog ua los ntawm roj hmab lossis hloov tau thiab cov qib steel muaj zog ntxiv. Nyob rau hauv lem, lub cev ntawm cov cuab yeej yog feem ntau yog ua los ntawm cov ntaub ntawv uas yog resistant rau corrosion thiab tshuaj (yog hais tias tsim nyog tshwj xeeb ntawm lawv siv yog xam). Cov kua dej los yog slurries raug xa mus rau cov kav dej siab, uas feem ntau yog ua los ntawm roj hmab lossis PVC.

Cov txiaj ntsig ntawm Diaphragm Pumps

Lub diaphragm twj tso kua mis muaj ntau qhov zoo. Ua ntej, nws yog qhov tshwj xeeb yooj yim ntawm kev ua tiav (hauv ntau qhov kev siv thev naus laus zis). Raws li txoj cai, nyob rau hauv units ntawm hom no tsis muaj rotating qhov chaw thiab cav. Cov txheej txheem uas teeb tsa lub twj tso kua mis tsis yog cov cuab yeej siv thev naus laus zis. Raws li txoj cai, niaj hnub diaphragm twj tso kua mis - nrogib qho hluav taws xob tsav ntawm tus qauv tsim yooj yim, nrog lub tshuab pneumatic, lossis txawm tias phau ntawv txav. Qhov thib ob, cov chav no ua haujlwm nrog qhov tsawg kawg nkaus ntawm qhov tsis ua haujlwm - qhov tseeb, cov cuab yeej no ntawm lawv yog vim qhov tseeb ntawm qhov yooj yim ntawm kev tsim. Lub diaphragm twj tso kua mis yog ib qho khoom siv uas yuav kav ntev. Thib peb, cov cuab yeej no yooj yim heev rau nruab thiab sib sau ua ke, tsis xav tau ntawm kev cia khoom thiab kev thauj mus los. Qhov kub thiab txias, huab cua noo thiab lwm yam ib puag ncig kev xyaum tsis cuam tshuam rau kev ua haujlwm ntawm lub twj tso kua mis.

Technological executions

Cov chav nyob hauv nqe lus nug txawv. Ntawm cov feem ntau yog pneumatic twj tso kua mis. Ib chav tsev membrane ntawm hom no ua haujlwm yam tsis muaj kev koom tes ntawm lub tshuab hluav taws xob, lwm yam khoom siv sib txuas thiab cov khoom siv. Xws li ib tug ntaus ntawv yog tshwj xeeb tshaj yog yooj yim nyob rau hauv cov nqe lus ntawm kev thauj mus los. Lwm cov khoom tseem ceeb suav nrog qhov tsis muaj cua sov, nrog rau kev nruj, uas qee zaum tso cai rau cov cuab yeej siv hauv qab dej. Raws li peb tau sau tseg saum toj no, muaj cov twj siv hluav taws xob uas tau tsav diaphragm. Lawv kuj muaj ntau heev vim lawv ntau yam (lawv tau yoog rau feem ntau cov tshuab hluav taws xob siv hauv Russia), kev ua haujlwm siab, thiab tus nqi tsim nyog. Tseem muaj cov twj hydraulically tsav.

Yog li, lub ntsiab lus tseem ceeb rau kev faib cov khoom siv yog hom lub cev muaj zog. Feem ntau, lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm txhua yam khoom siv yog tib yam: daim nyias nyias (lossis, raws li nws tseem hu ua, diaphragm)khoov nyob rau hauv lub hwj chim ntawm ib tug neeg kho tshuab lub cev muaj zog, huab cua (nyob rau hauv cov ntaub ntawv ntawm ib tug pneumatic tsav) los yog dej (nyob rau hauv cov ntaub ntawv ntawm ib tug hydraulic system), raws li ib tug tshwm sim ntawm uas lub zog ntawm cov khoom muab yog guaranteed. Qee lub twj tso kua mis tsim muaj ob lub diaphragms. Compressed cua ua rau ntawm ib qho, raws li qhov tshwm sim ntawm nws khoov, nce cov khoom nkag mus rau lub qhov hluav taws xob valve. Nyob rau tib lub sij hawm, nyob rau hauv lub cheeb tsam uas lub thib ob daim nyias nyias nyob, lub nqus tsev vacuum yog tsim, nyob rau hauv uas, vim hais tias ntawm ntuj lub cev txoj cai, cov khoom yog absorbed. Thiab yog li nrog txhua qhov kev txav ntawm tus tsav. Ob daim nyias nyias nyob rau hauv cov ntaub ntawv no yog txuas nrog ib tug neeg kho tshuab ncej. Cua li qub uas ua haujlwm tau txais kev koom tes hauv kev hloov cov khoom siv. Yog li, ob txheej txheem tshwm sim hauv lub twj tso kua mis - nqus (thaum thawj daim nyias nyias tsis tshua muaj huab cua thaum tsiv ntawm phab ntsa) thiab txhaj tshuaj (thaum lub diaphragm thib ob hloov lub siab ntawm pneumatic ntws mus rau cov kua uas tau tswj kom nkag mus rau hauv tsev., yog li ua kom lub zog ntawm cov khoom mus rau qhov hluav taws xob). Cov ntsuas ntsuas siab nyob rau hauv thaj tsam ntawm phab ntsa tom qab ntawm daim nyias nyias uas tso tawm cov kua, thiab ib qho nyob rau ntawm qhov chaw nkag, yog li sib npaug. Feem ntau cov chav nyob hauv nqe lus nug muaj lub npe txawv - "lub tshuab nqus tsev twj". Membrane mechanism muaj nyob rau hauv tag nrho cov kev siv thev naus laus zis ntawm cov cuab yeej. Yog vim li cas rau qhov no yog nws yooj yim thiab, nyob rau tib lub sij hawm, high efficiency. Raws li rau ob lub diaphragm twj, lawv feem ntau yog pneumatic.

Pump efficiency cov txheej txheem

Raws li cov qauv dab tsi yog cov twj diaphragm ntsuas hauvnam ntawm efficiency thiab zoo ntawm kev ua hauj lwm? Cov kws tshaj lij txheeb xyuas cov txheej txheem hauv qab no.

Ua ntej, lub twj tso kua mis pneumatic diaphragm (los yog ib qho nruab nrog lub tshuab hluav taws xob) yuav tsum ua haujlwm zoo yam tsis tas yuav kho, hloov kho ntxiv, lubrication thiab lwm yam txheej txheem uas yuav tsum tau muaj peev txheej tsim khoom.

Secondly, units ntawm hom no yuav tsum yog ib puag ncig tus phooj ywg. Hauv cov ntsiab lus, qhov kev ntsuas no tau ua tiav nyob rau hauv kev sib raug zoo rau feem ntau cov qauv niaj hnub ntawm cov twj diaphragm. Tsis muaj ntau yam khoom siv siv roj av lossis roj, piv txwv li.

Thib peb, nws yog qhov xav tau kom muaj qhov ua haujlwm tau zoo thiab siv tau yooj yim rau kev tswj xyuas qhov nrawm thiab ntim ntawm cov khoom nkag. Ntawd yog, lub twj tso kua mis yuav tsum tsis txhob ua haujlwm tsuas yog nyob rau hauv "on" thiab "tawm" hom. Nws yog ib qho tsim nyog yuav tsum tau kho qhov kev siv lub tshuab nqus tsev rau cov khoom siv thiab kev ua haujlwm raug daws hauv kev tsim khoom.

Plaub, kev tsim cov twj tso kua mis yuav tsum yog tias yog cov khoom siv nkag mus rau hauv cov kab noj hniav, qhov no tsis ua rau cov khoom puas tsuaj rau cov cuab yeej thiab nws tawg.

Tsis tas li, qee tus kws tshaj lij tau txiav txim siab tias nws tseem ceeb uas cov twj tso kua mis muaj kev tiv thaiv kev kub ntxhov (yog tias peb tham txog cov khoom siv hluav taws xob), nrog rau kev ua haujlwm zoo - hais txog tib hom khoom siv.

Scope of application

Muaj ntau chav kawm ntawm cov khoom siv hauv nqe lus nug. Muaj ib lub twj tso kua mis diaphragm, phau ntawv qhia, lub tshuab nqus tsev - thiab tag nrho cov ntawm lawv tau ntse siv nyob rau hauv ntau yam kev lag luam. Raws li txoj cai, qhov nokev lag luam - roj thiab roj, khoom noj khoom haus, xim thiab kua roj vanish. chemical, nrog rau kev tsim kho. Maj mam, cov cuab yeej tau ua tiav los ntawm cov neeg ntiag tug - hauv cov liaj teb, piv txwv li. Cov khoom siv me me tau dhau los ua neeg nyiam heev. Tshwj xeeb, qee tus ntawm lawv tuaj yeem siv hluav taws xob tsawg heev (txawm tias qhov no, tus neeg siv yuav muaj lub twj tso kua mis puv puv hauv lawv txhais tes) - 12 volts. Cov cuab yeej zoo li no feem ntau siv los ntawm cov neeg nyob hauv lub caij ntuj sov los tsim cov kav dej lossis cov dej me me. Kev tshuaj xyuas ntawm ntau tus tswv tsev qhia txog cov khoom siv me me hauv tsev diaphragm nkaus xwb ntawm qhov zoo.

Cov txheej txheem no, tshwj xeeb yog cov kev yoog tau siv hauv kev lag luam, muaj ntau yam nrog cov uas cia cov khoom siv tau suav (nyob ntawm kev hloov kho ntawm cov ntaus ntawv, lawv qhov tso cai loj txawv ntawm millimeter mus rau ob peb centimeters). Qee cov qauv tau yoog rau kev siv tshuaj lom neeg aggressive.

Nyob twj ywm

Muaj ib qho subtype ntawm cov units peb tab tom txiav txim siab - dosing pumps. Membrane mechanisms nyob rau hauv lawv, nyob rau hauv txoj cai, yog tib yam li nyob rau hauv cov pa pab kiag li lawm ntawm no hom, tab sis qhov ntau ntawm lawv lub hom phiaj, raws li txoj cai, yog nqaim. Ntau cov qauv ntawm cov khoom siv tau yoog kom ua haujlwm ib yam nrog cov tshuaj nquag - thaum xav tau lawv cov tshuaj noj ib ntus.

Lawv cov qauv tsim yog dab tsi? Diaphragm metering twj tso kua misraws li txoj cai, precision, nrog tshwj xeeb nruj ntawm rooj plaub. Lawv cov khoom tsim tau (kev siv ntawm cov khoom siv) yog tswj tau yooj yim heev. Nyob rau tib lub sijhawm, cov qauv niaj hnub muab kev xaiv nrog kev teeb tsa qhov tsim nyog tsis - ob qho tib si nyob rau hauv hom kev ua haujlwm tam sim no ntawm chav tsev, thiab hauv cov txheej txheem ntawm kev teeb tsa ua ntej. Nyob ntawm tus qauv tsim thiab thev naus laus zis ntawm lub cuab yeej, qhov no tuaj yeem ua tiav manually lossis siv cov ntsiab lus tsav.

Ntawm cov yam ntxwv tseem ceeb ntawm cov twj ntsuas ntsuas yog lawv qhov yooj yim ntawm kev saib xyuas. Tshwj xeeb, lawv tau tsim, raws li txoj cai, nyob rau hauv daim ntawv ntawm cov blocks - qhov no ua rau kom yooj yim thiab tsawg kawg nkaus tus nqi zog thaum sib dhos lossis txhim kho cov khoom siv. Xws li cov twj tso kua mis feem ntau yog nruab nrog cov li qub tau yoog rau cov khoom siv phom sij. Qhov no yog qhov tseem ceeb tshwj xeeb vim tias cov ntsiab lus no muaj kev nkag siab zoo.

Cov khoom siv hom tshuaj muaj ntau tus mob stroke (tseem ceeb) - txog 100-150 ib feeb. Nyob rau tib lub sijhawm, koj tuaj yeem kho qhov amplitude - hauv cov qauv niaj hnub no tuaj yeem ua tiav siv lub sijhawm 0-100%.

Qee zaum, qhov tshwj xeeb ntawm kev tsim khoom suav nrog kev siv "hybrid" qauv ntawm cov khoom siv. Namely: lub diaphragm-piston twj tso kua mis yuav tsum tau. Nws muab cov txiaj ntsig zoo ntawm diaphragm, nrog rau "classic". Xav txog qhov tshwj xeeb ntawm hom kev sib sau no.

Ntawm ntawm piston diaphragm twj

Raws li xws li, lub tshuab nqus tsev twj (diaphragm), vim tus qauv tsim, tsis yog ib txwmTsim los tuav cov khoom siv ceev ceev. Tsis tas li ntawd, raws li qee tus kws tshaj lij, nws qhov kev ua tau zoo tsis yog ib txwm zoo. Yog li ntawd, nws raug nquahu kom siv lub twj tso kua mis uas muaj cov yam ntxwv ntawm ob lub diaphragm thiab lub piston. Cov cuab yeej no feem ntau ua haujlwm nrog kev ua haujlwm siab dua thiab qis zog nqi.

Tsis tas li ntawd, thaj tsam ntawm piston diaphragm twj, raws li txoj cai, yog dav dua li ntawm cov twj diaphragm. Tshwj xeeb, lawv tuaj yeem siv tsis tau tsuas yog siv cov kua dej xwb, tab sis kuj rau kev txav sludges, hauv cov lim xovxwm, uas yog ib feem ntawm kev tsim cov tshuab ziab khaub ncaws. Qee qhov hydraulic hom piston diaphragm twj tuaj yeem siv tau hauv kev lag luam mining, thermal fais fab nroj tsuag, hauv kev lag luam ceramic, hauv metallurgy. Yog li, cov khoom siv ntawm hom no, muaj cov txiaj ntsig zoo nyob hauv ob qho tib si membrane thiab piston versions, muaj ntau yam hauv ntau qhov kev hloov kho. Ntawd yog, yog tias cov khoom siv diaphragm tau yoog ntau dua rau kev siv cov kua (nrog rau qee feem pua ntawm cov khib nyiab), ces "hybrid" tuaj yeem tiv taus kev txav ntawm cov khoom, uas, nyob rau hauv lem, lub concentration ntawm insoluble ntsiab yuav siab dua.

Txawm li cas los xij, hom chav nyob no feem ntau kim dua piston lossis diaphragm units cais. Txawm li cas los xij, nrog kev ua kom zoo ntawm cov txheej txheem ntau lawm, cov nqi tuaj yeem them rau lawv tus kheej. Tsis tas li ntawd, cov nqi hluav taws xob, vim qhov ua tau zoo dua ntawm "hybrid" twj, tsawg dua -yam tsawg kawg hauv qhov no ntawm cov nqi lag luam yuav raug txo. Tsis tas li, vim yog cov qauv tsim ntawm cov twj piston diaphragm, qhov hnav ntawm qhov chaw ntawm lawv feem ntau qis dua thaum siv cov khoom siv diaphragm.

Yuav ua li cas xaiv lub twj tso kua mis?

Raws li cov qauv twg yuav tsum xaiv lub twj tso kua mis diaphragm (yog tias nws yog ib qho khoom siv uas tsis yog hom hybrid)? Cov tsis tseem ceeb uas tuaj yeem qhia txog kev ua haujlwm ntawm cov khoom siv ntawm hom no yog raws li hauv qab no:

- siab ntawm lub qhov hluav taws xob valve (feem ntau, qhov tsawg kawg nkaus daim duab yuav tsum yog 60 bar - tab sis nws tag nrho yog nyob ntawm qhov chaw npaj ntawm lub twj tso kua mis);

- suction qhov siab (zoo li tsawg kawg 4-5 meters);

- kev siv cov khoom siv (ntsuas hauv cubic meters ib teev - qhov ntau ntawm cov kev pom zoo tsis sib txawv - los ntawm 0.5 mus rau kaum tawm units, txhua yam nyob ntawm lub hom phiaj ntawm cov cuab yeej);

- qhov kev ncua deb ntawm kev hloov pauv siab (ntev lub sijhawm ntawm cov yeeb nkab uas cov khoom tau muab - tsawg kawg 50 meters);

- compressed cua siab (raws li txoj cai, nyob rau hauv qhov ntau ntawm 0, 2-0, 6 MPa, tab sis kuj muaj lwm yam nqi);

- tso cai rau qhov ntsuas kub ntawm cov khoom siv twj (feem ntau 0-80 degrees);

- txoj kab uas hla ntawm lub qhov ntawm qhov nkag thiab qhov hluav taws xob, nrog rau qhov chaw cua nkag (qhia hauv centimeters los yog ntiv tes - feem ntau yog rau cov qauv txawv teb);

- txwv txoj kab uas hla ntawm cov khoom suav nrog (yuav txawv ntawm ob peb millimeters mus rau centimeters).

Tib lub sijhawm, kev faib tawm ntawm cov twj thiab qhov ntau ntawm lawv lub hom phiaj yog qhov dav heev uaskev xaiv qhov tsis zoo thaum xaiv cov cuab yeej no yuav nyob ntawm qhov tshwj xeeb ntawm lawv daim ntawv thov.

Flaws

Cov cuab yeej hauv nqe lus nug muaj ntau qhov zoo. Qhov no yog versatility - lub diaphragm twj tso kua mis yuav siv tau rau cov dej thiab ib tug loj tus naj npawb ntawm lwm yam kua nrog txawv zog lub cev. Qhov no yog ib puag ncig tus phooj ywg - raws li txoj cai, tsav tsheb yam tsis muaj emissions thiab gases yog siv rau hauv kev tsim cov khoom siv. Qhov no yog qhov dav ntawm kev ua haujlwm - muaj hluav taws xob, hydraulic, pneumatic, phau ntawv diaphragm twj tso kua mis. Tab sis nws kuj yuav tsum tau hais txog qhov tsis txaus uas yog tus yam ntxwv ntawm chav nyob ntawm hom no.

Ua ntej, lub twj tso kua mis los yog lub diaphragm nyob hauv kev txav txhua lub sijhawm. Qhov no nws thiaj li ua rau hnav thiab tsim kua muag - lawv dhau los ua airtight tsawg, lossis txawm tias ua tsis tiav. Tab sis, raws li txoj cai, cov tuam txhab tsim khoom siv niaj hnub txuas ob peb cov khoom seem rau cov khoom siv, thiab yog tias lawv khiav tawm, koj tuaj yeem xaj cov tshiab txhua lub sijhawm. Piv txwv li, lub tuam txhab HBM, muab nws cov khoom lag luam tseem ceeb - lub tshuab nqus tsev diaphragm twj tso kua mis (HBM tshwj xeeb hauv cov khoom siv no), ntxiv cov khoom siv nrog cov khoom seem.

Thib ob, vim qhov kev siv zog ntawm kev ua haujlwm, cov khoom siv li qub kuj hnav tawm. Tsis tas li ntawd, qee zaum, lawv tuaj yeem txhaws nrog cov khib nyiab uas muaj nyob hauv cov kua dej nkag. Txawm li cas los xij, lawv tuaj yeem hloov tau.

Qee qhov teeb meem hauv kev ua haujlwm ntawm cov twj tso kua mis yuav yog vim lub caij nyoog ntawm vapor locks thaum lub sijhawm nqus cov kua (yog tiasCov khoom uas muaj lub siab vapor siab tau ua tiav, xws li methyl chloride).

Tib lub sijhawm, cov lus sau tseg peb qhov tsis txaus yog them los ntawm kev tswj xyuas siab ntawm lub twj tso kua mis, nrog rau qhov yooj yim ntawm kev hloov cov khoom hnav. Tsis tas li ntawd, txhawm rau txo qhov kev pheej hmoo ntawm kev puas tsuaj rau daim nyias nyias thiab cov li qub, ntau hom damping cov cuab yeej siv tau ib txhij nrog cov chav nyob (thiab qee zaum, raws li ib feem ntawm lawv cov qauv), tsim los kom du tawm impulses uas tshwm sim los ntawm kev txav mus los. ntawm diaphragms. Txawm li cas los xij, cov twj diaphragm yog qhov zoo dua los siv dua li lawv cov khoom qub. Kev khwv nyiaj txiag ntawm ntau qhov kev lag luam feem ntau tau txiav txim siab los ntawm kev muaj peev xwm siv cov chav nyob xwb.