Makina a pneumatic a magalimoto ndi mathirakitala amagwira ntchito nthawi zambiri pamtundu wina wopanikizika, pamene kupanikizika kumasintha, zolephera zake ndi zowonongeka zimatheka.Kukhazikika kwa kupanikizika mu dongosolo kumaperekedwa ndi woyang'anira - werengani za unit iyi, mitundu yake, kapangidwe kake, ntchito, komanso kukonza ndi kusintha m'nkhaniyi.
Kodi pressure regulator ndi chiyani?
Pressure regulator ndi gawo la ma pneumatic system yamagalimoto ndi zida zosiyanasiyana;Chipangizo chomwe chimatsimikizira kusasunthika kwa kuthamanga kwa mpweya mu dongosolo, ndipo chimagwira ntchito zingapo zoteteza ndi zoteteza.
Chigawochi chimathetsa ntchito zotsatirazi:
• Kusunga mphamvu ya mpweya m'dongosolo lokonzedweratu (650-800 kPa, malingana ndi mtundu wa zipangizo);
• Kutetezedwa kwa makina a pneumatic kuwonjezereka kwamphamvu kuposa malire okhazikitsidwa (pamwamba pa 1000-1350 kPa, malingana ndi mtundu wa zipangizo);
• Kuteteza ndi kuteteza dongosolo kuti lisaipitsidwe ndi dzimbiri chifukwa cha kutuluka kwa condensate nthawi ndi nthawi mumlengalenga.
Ntchito yaikulu ya olamulira ndi kusunga mpweya wa mpweya mu dongosolo mkati mwa dongosolo lokhazikitsidwa, mosasamala kanthu za katundu wamakono, chiwerengero cha ogula ogwirizana, nyengo, ndi zina zotero. condensate anasonkhanitsa zigawo zikuluzikulu za dongosolo (makamaka condensing wolandila wapadera) amachotsedwa mu mlengalenga, amene amawateteza ku dzimbiri, kuzizira ndi kuipitsidwa.
Chipangizo ndi mfundo ya ntchito ya pressure regulator
Pali mitundu yambiri ndi mitundu ya owongolera kukakamiza pamsika masiku ano, koma onse amagwera m'magulu awiri akulu:
• Oyang'anira wamba;
• Owongolera ophatikizidwa ndi adsorber.
Zipangizo zamtundu woyamba zimayang'anira kupanikizika mu dongosolo ndikuchita ntchito zoteteza, pomwe mpweya wonyowa umayendetsedwa ndi gawo losiyana - cholekanitsa chinyezi ndi mafuta (kapena cholekanitsa mafuta ndi chowumitsira mpweya).Zipangizo zamtundu wachiwiri zili ndi cartridge ya adsorber, yomwe imapereka mpweya wowonjezera kutentha, kupereka chitetezo chabwino cha pneumatic system.
Onse owongolera ali ndi chipangizo chofanana, chilichonse chimakhala ndi zinthu zingapo zofunika:
Mapangidwe a Pressure regulator
• Ma valve olowetsa ndi kutuluka pa tsinde lomwelo;
• Valavu yosabwerera (yomwe ili pambali pa chitoliro chotuluka, imalepheretsa kutsika kwa dongosolo pamene compressor yazimitsidwa);
• Valavu yotulutsa (yomwe ili pambali pa malo otsika a mumlengalenga, imapereka mpweya wotuluka mumlengalenga);
• Pistoni yolinganiza yolumikizidwa ndi ma valve olowetsa ndi mpweya (imapereka kutsegula / kutseka kwa ma valve olowetsa ndi kutulutsa mpweya, kuwongolera kutuluka kwa mpweya mkati mwa chowongolera).
Zigawo zonse ndi zigawo zikuluzikulu za unit zili mu nkhani yachitsulo ndi dongosolo ngalande ndi mphako.Woyang'anira ali ndi zotulutsa zinayi (chitoliro) cholumikizira ku makina am'galimoto agalimoto: cholowera - mpweya woponderezedwa kuchokera ku kompresa umalowa, zotulutsa - kudzera m'menemo mpweya wochokera kwa woyang'anira umalowa mu dongosolo, mlengalenga - mpweya woponderezedwa ndi condensate zimatulutsidwa. mpweya kudzera mmenemo, ndi wapadera kwa matayala inflating.Malo otulutsira mumlengalenga amatha kukhala ndi chotchingira - chida chochepetsera kuchuluka kwa phokoso lobwera chifukwa cha kupsinjika.Kutuluka kwa inflation kwa matayala kumapangidwa ngati njira yolumikizira payipi, imatsekedwa ndi kapu yoteteza.Komanso, woyang'anira amapereka linanena bungwe lina mumlengalenga ang'onoang'ono mtanda gawo, m'pofunika kuti ntchito yachibadwa pisitoni kumaliseche, mapaipi si olumikizidwa kwa terminal.
Mu owongolera okhala ndi adsorber, chidebe chodzaza ndi zinthu za hygroscopic chimamangiriridwa ku nyumbayo, kutengera chinyezi kuchokera mumlengalenga kuchokera ku kompresa.Kawirikawiri, adsorber amapangidwa mu mawonekedwe a katiriji muyezo ndi ulusi phiri, amene akhoza m'malo ngati n'koyenera.
Ntchito ya pressure regulator sizovuta kwambiri.Injini ikayamba, mpweya woponderezedwa kuchokera ku kompresa umalowa mu terminal yofananira ya chowongolera.Malingana ngati kupanikizika kuli pamagulu ogwiritsira ntchito kapena kucheperapo, ma valve ali pamalo omwe mpweya umayenda momasuka kudzera mwa olamulira mu dongosolo, umadzaza olandira ndikuonetsetsa kuti ogula akugwira ntchito (zotulutsa ndi ma valve otsegula atsegulidwa, ma valve olowetsa ndi kutulutsa amatsekedwa).Kuthamanga kukayandikira malire apamwamba a ntchito (750-800 kPa), ma valve otsitsa ndi olowetsa amatsegulidwa, ndipo ma cheke ndi ma valve otsekemera amatseka, chifukwa chake, njira ya mpweya imasintha - imalowa mumlengalenga ndikutulutsidwa. .Chifukwa chake, kompresa imayamba kugwira ntchito, kuwonjezeka kwamphamvu mu dongosolo kumasiya.Koma kukanikiza mu dongosolo kumatsika mpaka kumunsi kwa magawo ogwiritsira ntchito (620-650 kPa), ma valve amasunthira kumalo omwe mpweya wochokera ku compressor umayamba kubwereranso mu dongosolo.
Zikachitika kuti wowongolera azimitsa kompresa pamene kuthamanga kufika 750-800 kPa, ndiye m'tsogolo chitetezo limagwirira ntchito, ntchito yomwe imaseweredwa ndi valavu yotulutsa yomweyo.Ndipo ngati kuthamanga kufika 1000-1350 kPa, valavu yotsitsa imatsegulidwa, koma zigawo zotsalira za unit sizisintha malo awo - chifukwa chake, dongosololi limagwirizanitsidwa ndi mlengalenga, kumasulidwa kwadzidzidzi kumachitika.Kupanikizika kumatsika, valve yotulutsa imatseka ndipo dongosolo likupitiriza kugwira ntchito bwino.
Kupanikizika komwe kompresa imachotsedwa ku makina a pneumatic imayikidwa ndi mphamvu ya masika a pistoni yolinganiza.Ikhoza kusinthidwa pogwiritsa ntchito screw screw pa mbale yamasika.Zomangirazo zimakhazikitsidwa ndi loko, zomwe zimalepheretsa makinawo kuti asawonongeke chifukwa cha kugwedezeka, kugwedezeka, kugwedezeka, ndi zina.
Owongolera omwe ali ndi adsorber amagwira ntchito mofananamo, koma amapereka ntchito zina ziwiri.Choyamba, pamene kukakamizidwa kumasulidwa, mpweya sumangotulutsidwa mumlengalenga - umadutsa mu adsorber kumbali ina, kuchotsa chinyezi chochuluka kuchokera pamenepo.Ndipo, chachiwiri, pamene adsorber yatsekedwa (mpweya wochokera ku compressor umasefedwa, koma nthawi zonse mumakhala ndi zonyansa zambiri, zomwe zimayikidwa pazitsulo za adsorbent), valve yodutsa imayambitsidwa, ndipo mpweya wochokera kutulutsa mzere umalowa mwachindunji mu dongosolo.Pankhaniyi, mpweya si dehumidified, ndipo adsorber ayenera m'malo.
Chowongolera chowongolera chamtundu uliwonse chimayikidwa pamzere wotulutsa mpweya wa mpweya nthawi yomweyo kumbuyo kwa compressor ndi cholekanitsa mafuta ndi chinyezi (ngati chaperekedwa mu dongosolo).Mpweya wochokera kwa woyang'anira, malingana ndi dera la makina a pneumatic, ukhoza kuperekedwa ku fuseji yowumitsa kenako ku valavu yotetezera, kapena choyamba kwa wolandila condensing ndiyeno ku valve yotetezera.Mwanjira iyi, wowongolera amayang'anira kukakamiza kwadongosolo lonse ndikuteteza kuzinthu zambiri.
Chithunzi cha chowongolera kuthamanga ndi adsorber
Nkhani za kusankha ndi kukonza zowongolera zokakamiza
Panthawi yogwira ntchito, chowongolera chokakamiza chimayang'anizana ndi kuipitsidwa ndi katundu wambiri, zomwe pang'onopang'ono zimabweretsa kuwonongeka kwa magwiridwe ake komanso kuwonongeka kwake.Kuwonjezeka kwa moyo wautumiki wa olamulira kumatheka ndi kuyang'anitsitsa ndi kuyeretsa panthawi yokonza galimotoyo.Makamaka, m'pofunika kuyeretsa zosefera zomwe zimamangidwa muzowongolera ndikuyang'ana gawo lonselo kuti lidutse.Mu owongolera omwe ali ndi adsorber, ndikofunikira kuti m'malo mwa cartridge ndi adsorbent.
Pakawonongeka kwa wowongolera - kutayikira, kulephera kwa ntchito (kulephera kuzimitsa kompresa, kuchedwa kutulutsa mpweya, etc.) - unit iyenera kukonzedwa kapena kusinthidwa pamsonkhano.Mukakhala m'malo, muyenera kusankha chowongolera chamtundu womwewo ndi chitsanzo chomwe chimayikidwa pagalimoto (kapena analogue yake yogwirizana ndi mawonekedwe a pneumatic system).Pambuyo kukhazikitsa, chipangizo chatsopanocho chiyenera kusinthidwa motsatira malingaliro a wopanga galimoto.Ndi kusankha koyenera ndi kusinthidwa kwa chowongolera, dongosolo la pneumatic lidzagwira ntchito modalirika muzochitika zosiyanasiyana.
Nthawi yotumiza: Aug-05-2023