Ua-nws-koj tus kheej polyethylene yeeb nkab vuam: thev naus laus zis, kev pom zoo

Cov txheej txheem:

Ua-nws-koj tus kheej polyethylene yeeb nkab vuam: thev naus laus zis, kev pom zoo
Ua-nws-koj tus kheej polyethylene yeeb nkab vuam: thev naus laus zis, kev pom zoo

Video: Ua-nws-koj tus kheej polyethylene yeeb nkab vuam: thev naus laus zis, kev pom zoo

Video: Ua-nws-koj tus kheej polyethylene yeeb nkab vuam: thev naus laus zis, kev pom zoo
Video: Hlub Ua Ntej Yuav Lig - Muaj Kub Yaj [Official MV] 2024, Hlis ntuj nqeg
Anonim

Qhov zoo ntawm cov kav dej yas hloov tau ua rau hloov cov khoom siv hlau tsis siv neeg. Cov txheej txheem no tshwj xeeb tshaj yog tshwm sim hauv cov qauv huv. Polymeric cov ntaub ntawv yog ib qho yooj yim mus use thiab nyob rau tib lub sij hawm yuav luag zoo li hlau nyob rau hauv cov nqe lus ntawm kev txawj ntse thiab kev ua hauj lwm zoo. Tab sis nrog rau kev hloov cov khoom siv, cov txheej txheem ntawm nws cov txheej txheem kuj hloov. Ib qho kev ua haujlwm tshwj xeeb ntawm kev txhawb nqa yog kev vuam ntawm cov kav dej polyethylene, thaum lub sijhawm nws yuav tsum tau siv tshwj xeeb kho thiab cov khoom siv cua sov. Nrog rau kev ua tau zoo ntawm cov txheej txheem no, nws muaj peev xwm tau txais kev sib khi thiab tiv taus qhov chaw cuam tshuam sab nraud rau kev sib txuas ob lub ntsiab lus.

welding welding ntawm polyethylene kav
welding welding ntawm polyethylene kav

Technology overview

Txhawm rau txuas ob lub kav dej yas, txoj kev koom nrog lawv qhov chaw nyob rau hauv lub zog ntawm cov cua sov, uas yog ua los ntawm cov cuab yeej hlau, yog siv. Raws li qhov tshwm sim ntawm kev sib cuag ncaj qha nrog cov chaw rhuab, cov cua kub hloov pauv tau ua kom ntseeg tau. Cov cuab yeej no distinguishes thev naus laus zis los ntawm cua sov. Txoj kev no ntawm kev faib cov cua sov hauv cov yashuab hwm coj muaj txiaj ntsig zoo los ntawm qhov pom ntawm qhov tsim ntawm cov qauv txhim khu kev qha thiab tsis cuam tshuam txog kev ntxhov siab thermal nrog rau tom qab deformation ntawm cov pob qij txha. Tsis tas li ntawd, pob tw vuam ntawm cov kav dej polyethylene tso cai rau koj los tsim cov pob qij txha uas muaj zog zoo li cov qauv tsim. Cov txheej txheem nws tus kheej suav nrog cua sov qhov kawg ntawm ob lub ntsiab lus mus rau lub xeev molten thiab lawv txo qis ntxiv rau hauv ib ntu. Tab sis nrog tag nrho cov kev yooj yim sab nraud, cov cuab yeej no xav tau qhov tseeb hauv kev ua tiav, uas feem ntau nyob ntawm cov cuab yeej siv. Nws yuav tsum tau muab sau tseg tias niaj hnub high-tech tshuab rau yas vuam txo cov kev cuam tshuam ntawm tib neeg yam, tab sis tsis txhob tag nrho nws.

PE yeeb nkab vuam khoom

polyethylene yeeb nkab vuam khoom
polyethylene yeeb nkab vuam khoom

Txawm tias cov txheej txheem vuam me me ntawm hom no suav nrog kev siv tag nrho cov pab pawg ntawm kev txhais tau tias. Lub hauv paus ntawm cov khoom siv no yog lub hauv paus, uas muab clamping ntawm ob lub kav dej rau kev ua haujlwm txuas ntxiv. Tsis tas li ntawd, ib tug tshwj xeeb thav duab yog siv los kho lub centralizer nws tus kheej. Txhawm rau qhib kev ua haujlwm ntawm cov khoom txav tau yooj yim, siv lub tshuab hydraulic, uas ua haujlwm vim yog lub tshuab tsav. Txawm li cas los xij, muaj ntau hom khoom siv ua haujlwm no. Hauv kev ua lag luam koj tuaj yeem pom cov cuab yeej siv thoob ntiaj teb rau pob tw vuam ntawm cov kav dej polyethylene ntawm ntau qhov ntau thiab tsawg. Raws li ib feem ntawm cov khoom siv no, cov khoom siv nrog lub nozzles nrog lub cheeb ntawm 20 mus rau 75 hli feem ntau yog muab. Qhov no yog qhov kev xaiv zoo tshaj yog tiasnws tau npaj los ua kev teeb tsa hauv kev ua haujlwm hauv tsev. Rau ntau txoj haujlwm nyuaj, koj yuav xav tau ib txheej ntawm ntau qhov chaw ua haujlwm uas tsim ib qho kev sib txuas ib leeg.

Centralizers rau yeeb nkab vuam

ua-nws-koj tus kheej welding ntawm polyethylene kav
ua-nws-koj tus kheej welding ntawm polyethylene kav

Thaum xub thawj, cov thev naus laus zis no tau siv tshwj xeeb hauv kev ua haujlwm nrog cov kav dej, ib qho uas nyob ruaj ruaj, uas yog, nws twb yog ib feem ntawm kev sib txuas lus. Qhov no ua rau txoj haujlwm yooj yim dua, vim qhov tseeb ntawm kev sib txuas tau nce. Cov teeb meem tshwm sim hauv kev ua haujlwm nrog ob lub yeeb nkab txav tau kawg, uas lub hauv paus centralizer tau qhia. Qhov no yog ib qho khoom siv vim tias lub tshuab vuam rau vuam cov kav dej polyethylene ua kom muaj qhov tseeb siab hauv kev tsim ntawm kev sib koom ua ke. Nws yog qhov yuav tsum tau ua ntej kom ua tiav qhov kev sib tw ntawm qhov kawg, thiab tom qab ntawd tus neeg teb xov tooj ua lawv qhov kev txo qis. Los ntawm kev tsim, lub centralizer zoo li lub kaw lus loj heev uas ua los ntawm ob qhov hlau. Txawm hais tias cov chav no yog cov cuab yeej siv thoob ntiaj teb, lawv tseem yuav tsum tau xaiv rau cov kav dej uas muaj qhov ntau thiab tsawg.

Hydraulic units rau vuam

Nyob rau hauv cov txheej txheem ntawm vuam, txhua yam kev txiav txim yog muab rau ntawm cov kav dej thiaj li txav tau lawv raws cov axes los yog ib leeg. Txhawm rau ua qhov haujlwm no, chav tsev hais txog hydraulic yog siv. Feem ntau nws tsim ib tug complex nrog lub centralizer, muab nws cov kev tswj. Nyob rau hauv qhov yooj yim configurations, cov khoom siv rau vuam polyethylene kav tsuas yog fixation thiab soldering ntawm cov khoom. Ntaucomplex systems xav kom tus neeg siv los tswj lub siab siv rau lub tshuab hydraulic, kom haum haum cov yeeb nkab kawg, thiab ncaj qha tswj cov clamps ntawm centralizer. Tag nrho cov haujlwm no tuaj yeem poob rau ntawm chav tsev hydraulic. Tshwj xeeb los ua kom yooj yim rau cov haujlwm no, cov tuam txhab muab khoom siv nrog ergonomic tswj vaj huam sib luag, suav nrog cov tshuab tsis siv neeg.

taub qab vuam ntawm cov kav dej polyethylene
taub qab vuam ntawm cov kav dej polyethylene

Kev ua haujlwm vuam yog ua ntej los ntawm kev npaj cov kav dej. Hauv particular, nrog kev pab los ntawm ib tug trimmer, cov npoo thiab dav hlau ntawm lub ntsiab yog me ntsis polished nyob rau hauv thiaj li yuav xyuas kom meej lawv nruj haum. Raws li rau cov cua sov, lawv tau muab tso rau hauv ib qho complex uas muaj lub tshuab hydraulic thiab lub hauv paus. Los ntawm kev tsim, cov khoom no zoo li lub pancake loj, uas tau muab tso rau ntawm qhov kawg ntawm ob lub kav dej, ua kom lawv cov cua sov. Qhov no kuj yog tswj los ntawm cov chaw taws teeb tswj tshwj xeeb. Yog tias chav tsev no siv rau kev siv cov kav dej polyethylene tsis tu ncua, ces nws raug suav nrog hauv ib qho kev tsim nrog lub hauv paus. Nws feem ntau ua raws li cov khoom siv flip-up txawm tias qhov tseem ceeb ntawm cov cua sov ua haujlwm. Nws tseem tsim nyog sau cia tias lub tshuab cua sov yuav tsum muaj cov txheej tshwj xeeb Teflon, uas tso cai rau lawv kom yooj yim tshem tawm tom qab cov kav dej tau yaj.

Npaj rau vuam

Ua haujlwm pib nrog kev tso dej ntawm cov kav dej hauv lub hauv paus thiab lawv cov kev kho tom qab. Cov kav dej yuav tsum tau muab khi kom ruaj khov kom lawv tuaj yeem txav tau yooj yim. ua li casRaws li txoj cai, ib feem yog tsau rigidly, thaum lwm qhov txav vim yog lub zog ntawm lub tshuab hydraulic. Yog tias tsim nyog, ua-nws-koj tus kheej vuam ntawm cov kav dej polyethylene tuaj yeem ua yam tsis muaj trimmer. Nyob rau hauv rooj plaub no, lub mating nto yuav tsum xub muab ntxuav nrog ib tug sib tsoo lub cuab tam. Yog tias muaj cov trimmer muaj, ces kev ntxuav yog nqa ncaj qha rau ntawm lub hauv paus, tom qab ntawd cov chips tau raug tshem tawm ntawm sab nraud thiab sab hauv. Tom ntej no, koj tuaj yeem mus rau kev tswj kom haum. Nws yog ib qho tseem ceeb uas cov kav dej haum ua ke nrog qhov tsawg kawg nkaus clearance thiab deviations nyob rau hauv dav hlau. Qhov yuam kev me me tau them nyiaj los ntawm kev vuam, tab sis txawm tias qhov no, qhov tsis sib xws ntawm cov yas loj hauv qhov sib koom ua ke yuav raug lees paub.

cua sov kav

Kab tias qhov no yog theem tseem ceeb tshaj plaws, vim nws cuam tshuam cov yas yas. Ua ntej ntawm tag nrho cov, rhuab disk yuav tsum ncav cuag ib tug txaus kub. Tom qab ntawd, nws yog nyob nruab nrab ntawm ob kawg, uas yog nias los xyuas kom meej preheating. Lub zog yuav tsum me me, tab sis txaus kom cov khoom ntawm ob lub kav dej yog melted thiab nruj converged. Txhawm rau kom tau txais kev sib txuas zoo ntawm cov kav dej polyethylene, nws yog ib qho tsim nyog los tswj cov nyhuv thermal. Nws tuaj yeem raug saib xyuas pom - hom kev pom zoo muab rau lub melting ntawm qhov kawg, tab sis raug rau kev khaws cia ntawm viscosity ntawm cov qauv. Qhov tshwm sim ntawm theem no yuav tsum yog qhov tsim ntawm cov menyuam me me ntawm cov molten loj, uas yuav me ntsis mus dhau ntawm cov npoo ntawm qhov kawg.

Swap

taub qab vuam ntawm cov kav dej polyethylene
taub qab vuam ntawm cov kav dej polyethylene

Tom qab cua sov qhov kawg, nws yog ib qho tseem ceeb heev uas yuav tsum tau tshem tawm cov cuab yeej kub kom raws sijhawm thiab rov muab cov khoom sib txuas ua ke. Nws yog ib qho tseem ceeb uas cov kav dej tuav tag nrho cov kev ncaj ncees ntawm lawv cov npoo ntawm cov pob qij txha yav tom ntej. Lub sijhawm siab tshaj plaws uas yuav tsum tau ua yog 25 vib nas this. Tab sis qhov no muaj tseeb rau cov kav dej loj, txoj kab uas hla ntawm 60-75 mm. Rau tsev neeg PVC kav dej, daim duab no yog li 5-10 vib nas this. Kev hloov pauv siab yog xav tau vim tias cov khoom siv txias sai sai yam tsis muaj kev txhawb nqa los ntawm lub rhaub. Yog li ntawd, pob tw vuam ntawm cov kav dej polyethylene tuaj yeem poob qhov zoo vim yog xoob adhesion ntawm qhov kawg. Ntawm qhov tod tes, ceev ceev tsis yog ib txwm zoo ib yam. Kev ua txhaum ntawm qhov tseeb ntawm cov khoom sib xyaw tsis muaj kev phom sij tsawg dua los ntawm qhov pom ntawm kev tsim cov seam zoo.

Draft tube

Lub ntsiab lus ntawm cov qauv yog nyob rau hauv qhov tseeb tsim ntawm seam thiab nqa nws cov nyiaj pab mus rau ib tug zoo lub xeev. Tom qab kev sib koom ua ke ntawm qhov kawg uas tsis muaj lub tshuab cua sov ua tiav, theem ntawm kev ua kom txias ntawm cov khoom pib. Thaum lub sijhawm no, nws kuj tseem ua tau rau cov khoom siv yas kom dhau ntawm cov npoo - qhov no yuav yog qhov tsim cov nyiaj pab zoo. Nws yog ntshaw tias qhov tsim ntawm ib txheej tshiab ntawm cov yas tawm tawm tshwm sim tawm tsam keeb kwm yav dhau los ntawm nws qhov sib xyaw nrog cov burr uas tau txais ua ntej lub rearrangement. Nyob rau hauv txoj kev no, sib sib zog nqus vuam ntawm cov kav dej polyethylene nrog cov qauv sib xyaw zoo ntawm ob cov ntaub ntawv yuav tau txais. Feem ntau, txhawm rau ua kom tau txais txiaj ntsig zoo tom qab hloov chaw, cov neeg ua haujlwm nce lub zog clamping, uas nrujkawg ntsej muag.

Khoom cua txias

welding ntawm polyethylene kav
welding ntawm polyethylene kav

Qhov kawg tsim ntawm cov vuam nrog kho ntawm nws cov qauv tshwm sim nyob rau hauv lub txias theem. Kev nrhiav tau ntawm lub zog hauv thaj tsam sib koom ua ke tshwm sim vim qhov tseeb tias qhov chaw ntawm cov yeeb nkab phab ntsa nyob ib sab ntawm qhov tshwm sim seam nce hauv thickness. Los ntawm txoj kev, qhov no txhais tau tias tsis yog tsuas yog tsim ib qho kev sib koom ua ke - xws li cov ntu, raws li txoj cai, tig tawm los ua cov cuab yeej muaj zog dua li cov qauv qub ntawm cov khoom siv. Qhov ntsuas no tuaj yeem ua kom muaj zog ntxiv vim muaj cua sov ntau dua, uas tso cai rau kev sib txuas ntawm cov kav dej polyethylene nyob rau hauv cov kev txwv ntawm kev siv thev naus laus zis. Qhov txias txias yuav tsum tshwm sim ib txwm muaj thiab nyob rau hauv chav tsev kub. Ntawd yog, nws yuav tsum tsis txhob pab kom ceev kom txias, vim qhov no yuav cuam tshuam rau yav tom ntej zoo ntawm cov seam. Tom qab ua tiav cov cua txias, cov yeeb nkab yuav tsum tau muab tshem tawm ntawm lub vuam tsev, tom qab loosening lub clamping quab yuam.

Zaj lus

tshuab rau pob tw welding ntawm polyethylene kav
tshuab rau pob tw welding ntawm polyethylene kav

Technologically, cov txheej txheem ntawm kev sib txuas cov kav dej yas yog yooj yim dua li vuam cov hlau sib txuas. Txawm li cas los xij, cov ntaub ntawv PVC uas nrov hauv peb lub sijhawm tau tshwm sim tsis ntev los no, yog li ntawd, cov txheej txheem ntawm lawv cov kev ua haujlwm tsis zoo li cov neeg siv khoom hauv tsev. Qhov tseeb, vuam ntawm cov kav dej polyethylene yog nqa tawm yooj yim thiab nrog me me lossis tsis muaj peev txheej hauv cov khoom siv. Qhov tseem ceeb tshaj plaws yog yuav cov khoom tsim nyog. Rau kev ua haujlwm nrog cov kav dej me me, compactcov khoom siv uas tag nrho cov khoom siv tseem ceeb tau muab rau. Lwm qhov yog tias hauv lub neej niaj hnub xav tau kev ua haujlwm zoo li no tshwm sim tsis tshua muaj, txawm hais tias qhov txiaj ntsig zoo ntawm qhov vuam tsis tuaj yeem rov ua dua hauv txhua txoj kev nrov.

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