1. Taw qhiamus rau Npauj Npaim Valves
1.1. Lus Txhais thiab Cov Ntsiab Cai
A npauj npaim valveyog ib yam khoom uas tswj cov dej ntws hauv cov yeeb nkab. Nws yog tswj los ntawm rotating lub disc ib lub hlis twg tig. Lawv feem ntau yog siv rau hauv cov ntawv thov uas lawv kaw sai.
1.2. Keeb kwm ntawm Npauj Npaim Valves
Npauj npaim li qub tuaj yeem taug qab rov qab mus rau lub xyoo pua puv 19. Tus qauv ntawm cov npauj npaim valve niaj hnub tau yug los nyob rau hauv nruab nrab-20th caug xyoo. Tom qab ntau xyoo ntawm txoj kev loj hlob, nws tau dhau los ua ntau yam kev daws teeb meem rau kev tswj cov xov xwm hauv ntau qhov kev lag luam.
Kev txhim kho thev naus laus zis ntawm npauj npaim li qub tsis tau tso tseg. Nyob rau hauv lub neej yav tom ntej, npauj npaim li qub yuav sib zog thiab ntau compact. Lawv kuj tuaj yeem siv rau cov xwm txheej huab cua (xws li ultra-high pressure thiab ultra-low temperature). Tej zaum lawv tuaj yeem siv tau rau hauv daim ntawv thov tshiab hauv kev siv lub zog tauj dua tshiab, xws li hnub ci zog, cua zog thiab ntsuab hydrogen zog tej yaam num.
1.3. Daim ntawv thov ntawm Npauj Npaim li qub hauv ntau yam kev lag luam
1.3.1. Kev kho dej thiab kev faib tawm
Hauv cov chaw kho dej thiab cov tshuab faib khoom. Npauj npaim li qub yog qhov tseem ceeb. Lawv tswj tau zoo thiab cais cov dej ntws ntawm cov dej haus. Lawv qhov kev poob qis qis thiab muaj peev xwm sib khi bidirectional yog qhov muaj txiaj ntsig tshwj xeeb hauv kev ua kom muaj dej tsis tu ncua.
1.3.2. HVAC Systems
Hauv cov cua kub thiab cua txias (HVAC), cov npauj npaim li qub yog siv los tswj cov dej ntws. Lawv qhov yooj yim ntawm automation ua rau lawv tsim nyog rau kev tswj cov dej txias thiab dej kub.
1.3.3. Tshuaj thiab Petrochemical Cog
Triple offset thiab ua haujlwm siab npauj npaim li qub tuaj yeem ua ntau yam tshuaj, suav nrog cov kua dej corrosive thiab abrasive. Lawv lub peev xwm ua haujlwm ntawm qhov kub thiab txias siab ua rau lawv tsim nyog rau kev siv xws li kev ua tshuaj lom neeg, kev cia khoom, thiab kev xa khoom.
1.3.4. Kev lag luam roj thiab roj
Kev lag luam roj thiab roj cia siab rau cov npauj npaim li qub rau kev siv xws li kev sib cais ntawm cov kav dej, kev tswj cov dej ntws, thiab cov tshuab tank. Kev sib raug zoo ntawm npauj npaim li qub nrog ntau yam khoom siv ua kom lawv txoj haujlwm nyab xeeb hauv kev lag luam roj thiab roj.
1.3.5. Kev ua zaub mov thiab dej haus
Kev nyiam huv yog qhov tseem ceeb tshaj plaws hauv kev ua zaub mov thiab dej haus. Npauj npaim li qub nrog cov qauv huv thiab polished nto tuaj yeem siv los tswj kev huv thiab tiv thaiv kev sib kis thaum tuav cov kua dej xws li kua txiv hmab txiv ntoo, khoom noj siv mis, thiab dej haus. Ob leeg wras-certified roj hmab thiab zaub mov-qib stainless hlau tuaj yeem ua tau raws li tus qauv no.
1.3.6. Marine thiab Shipbuilding
Aluminium bronze npauj npaim li qub yog tsim los rau kev siv dej hiav txwv los tswj cov tshuab ballast, dej txias, thiab roj kab. Cov ntaub ntawv corrosion-resistant ntawm npauj npaim li qub ua rau lawv zoo tagnrho rau siv nyob rau hauv hnyav marine ib puag ncig.
1.3.7 ib. Fais fab nroj tsuag
Hauv cov nroj tsuag fais fab, npauj npaim li qub yog siv rau hauv cov tshuab cua txias, cov kav dej, thiab cov tshuab hluav taws xob desulfurization. Lawv muaj peev xwm tuav tau cov dej siab thiab kub kub.
1.3.8 ib. Cov nroj tsuag kho dej khib nyiab
Npauj npaim li qub yog qhov tseem ceeb rau kev tswj cov sludge, aeration, thiab dej ntws hauv cov chaw kho dej khib nyiab.
1.3.9 ib. Pulp thiab Ntawv Kev Lag Luam
Kev lag luam pulp thiab ntawv tau txais txiaj ntsig los ntawm npauj npaim li qub hauv cov txheej txheem xws li kev ua noj ua haus, tshuaj dawb, thiab tshuaj tua kab mob. Lawv tsis kam mus rau abrasive pulp thiab tshuaj tsub kom kev ua hauj lwm efficiency thiab kev pab lub neej.
2. Kev tsim kho ntawm Npauj Npaim Valve
2.1. Cheebtsam ntawm Npauj Npaim Valve
Cov khoom tseem ceeb muaj xws li:
Valve lub cev: Lub tsev uas muaj lwm cov khoom siv sab hauv.
Valve disc: Qhib thiab kaw los ntawm tig 90 degrees.
Qeb: Txuas lub disc mus rau lub actuator.
Lub rooj zaum: Muab lub foob kom tsis txhob xau.
2.2. Hom npauj npaim li qub raws li cov qauv
Wafer hom: ntsia nruab nrab ntawm flanges ntawm cov yeeb nkab thiab tsau nrog bolts.
Lug hom: Siv threaded inserts rau installation.
Flange hom: Muaj ob lub flanges thiab tau nruab nrog cov yeeb nkab.
2.3. Cov khoom siv ntawm npauj npaim li qub
Lub cev: Cam khwb cia hlau, stainless hlau los yog carbon hlau.
Disc: Cov hlau nplaum (nickel-plated, nylon, PTFE, thiab EPDM, thiab lwm yam), WCB, stainless hlau, bronze.
Rooj zaum: Roj Hmab, Teflon los yog hlau.
3. Lub hauv paus ntsiab lus ua haujlwm ntawm npauj npaim valve
3.1. Kev ua haujlwm ntawm npauj npaim valve
Npauj npaim valve ua haujlwm los ntawm kev tig lub disc mounted ntawm lub hauv paus qia. Txoj hauj lwm ntawm lub disc txiav txim siab txog kev khiav dej num.
3.2. Hom kev tsav tsheb ntawm npauj npaim li qub
Phau ntawv: Ua haujlwm los ntawm tes thiab cab iav.
Pneumatic: Siv cov cua compressed.
Hluav taws xob: Tswj los ntawm hluav taws xob lub cev muaj zog.
Hydraulic: Tsav los ntawm cov kua dej siab (tsawg dua siv).
3.3. Qhov zoo thiab kev txwv ntawm npauj npaim li qub
Qhov zoo: kev tsim qauv tsim (ntev qauv ntev), tus nqi qis (cov khoom siv tsawg), kev ua haujlwm ceev (90-degree tig).
Kev txwv: Npauj npaim li qub tsis tuaj yeem siv los txiav cov khoom hnyav, cov kua dej khov thiab cov dej tsis huv.
3.4. Hom npauj npaim li qub
3.4.1 Resilient rooj npauj npaim valve
Nta: Lub rooj zaum valve feem ntau yog ua los ntawm cov ntaub ntawv elastic xws li roj hmab thiab PTFE, thiab lub foob yog nruj.
Siv cov ntaub ntawv: kev siv tsis tshua muaj siab thiab tsis kub.
3.4.2.Kev ua haujlwm siab npauj npaim valve (ob chav offset npauj npaim valve)
Nta: Ob chav offset tsim, ruaj.
Siv cov ntaub ntawv: low and medium pressure systems.
3.4.3. Triple offset npauj npaim valve
Nta: Hlau rooj foob tsis muaj kev sib txhuam.
Siv cov ntaub ntawv: kub thiab siab.
4. Kev teeb tsa thiab kev saib xyuas ntawm npauj npaim li qub
4.1 Kho txoj kev teeb tsa ntawm npauj npaim li qub
Qhib lubnpauj npaim valvephaj ntawm lub kaum sab xis ntawm 0-90 degrees.
Nco ntsoov khaws kom txaus tshem tawm ntawm lwm yam khoom.
Xyuas kom lub valve phaj tsis kov cov yeeb nkab flange.
Txheeb xyuas qhov sib npaug thiab tshem tawm ntawm kev sib hloov disc.
4.2. Kev tu txhua hnub ntawm npauj npaim li qub
Txheeb xyuas qhov hnav thiab hloov yog tias tsim nyog.
Lubricate txav qhov chaw raws li xav tau.
4.3. Tej teeb meem daws teeb meem thiab kev daws teeb meem
Leaks: Tshawb xyuas lub rooj zaum ruaj khov.
Npog: Ntxuav lub rooj zaum cov khib nyiab thiab xyuas kom muaj lubrication zoo.
5. Kev sib piv nrog lwm hom valve
5.1 Npauj npaim valve vs. pob valve
Npauj npaim valve: Sib dua thiab ntau dua.
Pob valve: Ntau qhov tsim nyog rau tag nrho cov bore ntws, tuaj yeem siv ua kua dej khov thiab fiber ntau.
5.2. Npauj npaim valve vs. rooj vag valve
Npauj npaim valve: ua haujlwm ceev.
Lub rooj vag valve: Zoo dua rau kev qhib thiab kaw.