Maitiro ekuona isina nhanho yemhepo vhoriyamu kugadzirisa mune screw compressor
1. Hunhu hwe screw compressor
Screw compressors inoumbwa nepeya inofanana, inopindirana yevakadzi uye yechirume screws.Iwo anoshandiswa zvakanyanya mupakati uye akakura mafiriji masisitimu kana kugadzirisa gasi compressors mukunatsa uye makemikari zvidyarwa.Screw compression yakakamurwa kuita marudzi maviri: single screw uye twin screw.Iyo screw compressor kazhinji inoreva twin screw compressor.Screw compressors ine zvinotevera maitiro:
(1) Iyo screw compressor ine chimiro chakareruka uye nhamba shoma yezvikamu.Iko hakuna kupfeka zvikamu senge mavharuvhu, piston mhete, rotors, mabhengi, nezvimwewo, uye simba rayo uye kupfeka kuramba kwakakwira.
(2) Iyo screw compressor ine hunhu hwekumanikidzirwa gasi kutapurirana, kureva kuti, vhoriyamu yekuburitsa inenge isina kukanganiswa nekumanikidza kwemhepo, hapana kuvhiya kunoitika kana vhoriyamu yekuburitsa idiki, uye inogona kuramba ichimanikidza munzvimbo dzakasiyana. yemamiriro ekushanda.Kunyanya kushanda zvakanaka.
(3) Iyo screw compressor haina kunyanya kubatwa nesando yemvura uye inogona kutonhodzwa nejekiseni remafuta.Naizvozvo, pasi peyero yekumanikidza yakafanana, tembiricha yekuburitsa yakadzika zvakanyanya kupfuura yepiston mhando, saka imwe-nhanho yekumanikidza chiyero yakakwirira.
(4) Iyo siraidhi vharafu inogadziriswa inogamuchirwa kuona isina nhanho kugadzirisa kwesimba.
2. Nheyo ye slide valve kugadziriswa kwe screw compressor
Iyo slide valve inoshandiswa kune isina nhanho kutonga kwekugona.Panguva yekutanga, chikamu ichi hachina kutakurwa.Iyo slide valve inodzorwa neiyo micro control panel kuburikidza neoiri kumanikidza, pakupedzisira ichichinja kushanda kweiyo compressor.
Iyo simba inogadzirisa siraidhi vharafu chinhu chechimiro chinoshandiswa kugadzirisa kuyerera kwevhoriyamu mune screw compressor.Kunyange zvazvo kune nzira dzakawanda dzekugadzirisa kuyerera kwevhoriyamu ye screw compressor, nzira yekugadzirisa uchishandisa slide valve yakashandiswa zvakanyanya, kunyanya mukuumba jekiseni.Oiri screw refrigeration uye process compressors inonyanya kufarirwa.Sezvinoratidzwa muMufananidzo 1, iyi nzira yekugadziridza ndeyekuisa yekugadziridza slide valve pane screw compressor body uye kuva chikamu che compressor body.Inowanikwa pamharadzano yemadenderedzwa maviri emukati padivi rekumanikidza kwemuviri uye inogona kufamba ichienda mberi nekudzoka munzira inofambirana necylinder axis.
Iyo musimboti weiyo siraidhi vharafu kugadzirisa volumetric kuyerera kweiyo screw compressor yakavakirwa pakushanda maitiro eiyo screw compressor.Mune screw compressor, sezvo rotor inotenderera, kudzvinyirira kwegasi rakamanikidzwa zvishoma nezvishoma kunowedzera pamwe neaxis ye rotor.Panyaya yenzvimbo yenzvimbo, zvishoma nezvishoma inofamba kubva kumagumo ekusveta kwe compressor kusvika kumagumo ekubuda.Mushure mokunge rutivi rwepamusoro-soro rwemuviri ruzaruka, apo maviri rotor anotanga mesh uye achiedza kuwedzera kudzvinyirira kwegesi, imwe gasi ichapfuura nepaburiro.Zviripachena, huwandu hwegasi hwakapfuura hwakabatana nehurefu hwekuvhura.Kana mutsara wekubatana unofamba kusvika kumagumo ekuvhura, gasi rakasara rakavharwa zvachose, uye maitiro emukati ekumanikidza anotanga panguva ino.Basa rinoitwa nescrew compressor pane gasi rekunzvenga kubva pakuvhura rinongoshandiswa kuiburitsa.Naizvozvo, mashandisirwo emagetsi ecompressor anonyanya kuwanda kwebasa rakaitwa kudzvanya iro rakazobuda gasi uye basa rekukwenya kwemakanika.Nokudaro, kana simba rekugadzirisa slide valve rinoshandiswa kugadzirisa volumetric flow rate ye screw compressor, compressor inogona kuchengetedza kushanda kwepamusoro pasi pemamiriro ekugadzirisa.
Mune chaiyo compressors, kazhinji haisi gomba mune casing, asi porous chimiro.Iyo slide valve inofamba mu groove pasi pe rotor uye inobvumira kuenderera kugadziridzwa kwehukuru hwekuvhura.Iyo gasi inoburitswa kubva pakavhurwa inodzokera kune yekuyamwa port ye compressor.Sezvo compressor isingashande pachikamu ichi chegasi, tembiricha yayo haikwire, saka haidi kutonhodzwa isati yasvika kune gasi rinowanzo dhiraivha..
Iyo slide valve inogona kufamba mune chero nzira zvichienderana nezvinodiwa zvekutonga system.Pane nzira dzakawanda dzekutyaira nayo.Nzira yakajairika ndeyekushandisa hydraulic cylinder, uye iyo oiri system ye screw compressor pachayo inopa iyo inodiwa mafuta kumanikidza.Mumichina mishoma, slide valve inofambiswa nemota yakaderedzwa.
Theoretically, spool inofanira kuva yakaenzana nehurefu se rotor.Saizvozvowo, kureba kunodiwa kuti slide valve iende kubva pamutoro wakakwana kusvika kune isina chinhu inoda kufanana ne rotor, uye hydraulic cylinder inofanirawo kuva nehurefu hwakafanana.Nekudaro, tsika yakaratidza kuti kunyangwe kureba kwevharuvhu iri kupfupika, maitiro akanaka ekudzora anogona achiri kuwanikwa.Izvi zvinodaro nekuti kana iyo bypass kuvhurwa kwekutanga kuvhurwa padhuze nekunopera kumeso, nzvimbo yayo idiki kwazvo, kudzvanywa kwegasi kudiki kwazvo panguva ino, uye nguva inotora kuti rotor meshing mazino atsvaira nepaburi iri zvakare. ipfupi kwazvo, saka pachange paine shoma shoma yeImwe gasi inoburitswa.Nokudaro, kureba kweiyo slide valve kunogona kuderedzwa kusvika anenge 70% yehurefu hwechikamu chekushanda rotor, uye chikamu chakasara chinogadziriswa, nokudaro kuderedza hukuru hwese compressor.
Hunhu hwesimba rekugadzirisa slide valve huchasiyana nehupamhi hwe rotor.Izvi zvinodaro nekuti nzvimbo yechiteshi chepamusoro chinokonzerwa nekufamba kwevhavhavha inotsvedza yakaenzana neskweya yedhayamita yerotor, nepo vhoriyamu yegesi mukamuri yekumanikidza yakaenzana nedhayamita ye rotor.Proportional kune cube ye.Izvo zvakakosha kucherechedza kuti kana iyo compressor ikamanikidza gasi, inowedzerawo kudzvanywa kweiyo jekiseni mafuta, uye pakupedzisira inoiburitsa pamwe chete negesi.Kuti oiri irambe ichibuda, imwe vhoriyamu yekuburitsa inofanira kuchengetwa.Zvikasadaro, pasi pemamiriro asina-mutoro zvachose, oiri inoungana mukamuri yekumanikidza, zvichiita kuti mhepo compressor isakwanise kuramba ichishanda.Kuti oiri irambe ichibuda, vhoriyamu yekuyerera kweinenge 10% inowanzodiwa.Mune zvimwe zviitiko, iyo volumetric kuyerera kweiyo compressor inofanira kunge iri zero.Panguva ino, pombi yekupfuura inowanzorongedzwa pakati pekusveta uye kupera.Kana mutoro wakazara zero uchidikanwa, pombi yekupfuura inovhurwa kubatanidza kusveta uye kupera..
Paunenge uchishandisa simba rekugadzirisa slide valve kugadzirisa kuyerera kwevhoriyamu ye screw compressor, iyo yakanaka mamiriro ndeyekuchengetedza mukati mekumanikidza reshiyo yakafanana neyakakwana mutoro panguva yekugadzirisa.Nekudaro, zviri pachena kuti kana slide valve ikafamba uye volumetric kuyerera kweiyo compressor ikaita diki, iyo inoshanda kureba kwescrew inova diki uye nguva yekumanikidza kwemukati inovawo diki, saka yemukati yekumanikidza reshiyo inofanira kunge iri diki. kuderedzwa.
Muchigadziro chaicho, slide valve yakashongedzerwa neradial exhaust gomba, iyo inofamba axially nevhavha inotsvedza.Nenzira iyi, kune rumwe rutivi, hurefu hunobudirira hwe screw machine rotor hunoderedzwa, uye kune rumwe rutivi, radial exhaust orifice inoderedzwawo, kuitira kuti iwedzere nguva yemukati yekumanikidza uye kuwedzera mukati mekugadzirisa reshiyo.Kana iyo radial exhaust orifice pane slide valve uye axial exhaust orifice pavhavha yekupedzisira inogadzirwa kuva akasiyana emukati ekumanikidza ratios, iyo yemukati yekumanikidza reshiyo inogona kuchengetwa yakafanana neyeyo yakazara mutoro panguva yekugadzirisa mukati meimwe nharaunda. .Same.
Kana iyo vhoriyamu yekugadziridza siraidhi vharafu inoshandiswa kushandura panguva imwe chete iyo radial exhaust orifice saizi yemuchina wekukwenya uye unoshanda chikamu chekushanda kureba kwerotor, hukama pakati pekushandiswa kwesimba kwescrew muchina uye vhoriyamu kuyerera kuri mukati mekuyerera kwevhoriyamu. kugadzirisa huwandu hwe100-50%.Simba rinopedzwa rinodzikira zvakaenzana nekudzikira kwekuyerera kwevolumetric, zvichiratidza hupfumi hwakanaka hwemasiraidhi valve regulation.Zvakakosha kuziva kuti muchikamu chekupedzisira chekufamba kwe slide valve, chiyero chemukati chekumanikidza chicharamba chichiderera kusvikira chaderedzwa kusvika ku 1. Izvi zvinoita kuti kushandiswa kwesimba uye kuyerera kwevhoriyamu panguva ino kutsauke kune imwe nzvimbo kana ichienzaniswa ne yakanaka mamiriro.Kukura kwekutsauka kunoenderana nekunze kwekumanikidza reshiyo yemuchina wekukurisa.Kana kudzvanywa kwekunze kwakatemwa nemamiriro ekufamba kuri kudiki, iyo isina-mutoro simba rekushandisa yemushini wekukwenya inogona kunge iri 20% chete yeiyo yakazara yakazara, nepo kana kumanikidza kwekunze kwakakura, kunogona kusvika 35%.Izvo zvinogona kuoneka kubva pano kuti yakakosha mukana wekushandisa kugona slide valve ndeyekuti simba rekutanga reiyo screw machine idiki kwazvo.
Kana iyo inogadzirisa slide valve chimiro ichishandiswa, iyo yepamusoro yevhavhavhavhavha inoita sechikamu che screw compressor cylinder.Pane mhepo inopedza simba pane slide valve, uye chikamu chayo chezasi chinoshandawo semutungamiri we axial movement, saka zvinodiwa zvekugadzirisa machining zvakakwirira zvikuru., izvo zvichaita kuti kuwedzerwa mari yekugadzira.Kunyanya mudiki screw compressors, mutengo wekugadzirisa weiyo slide valve uchaverengera chikamu chikuru.Mukuwedzera, kuitira kuti uve nechokwadi chekushanda kwakavimbika kwemashini e-screw, gap pakati pevhavha ye-slide uye rotor inowanzova yakakura kudarika gaka riri pakati pegomba re cylinder uye rotor.Mune madiki screw machines, iyi gap yakawedzera ichakanganisawo kushanda kwe compressor.Kuderera kwakanyanya.Kuti ukunde zvikanganiso zviri pamusoro, mukugadzirwa kwemashini madiki escrew, akati wandei akapusa uye akaderera ekudzora masiraidhi mavharuvhu anogona kushandiswa zvakare.
Iyo yakapfava spool valve dhizaini ine maburi ekubypass mumadziro ecylinder ayo anoenderana nehelical shape ye rotor, achibvumira gasi kubuda mumakomba aya kana asina kuvharwa.Slide valve inoshandiswa i "rotary valve" ine spiral valve body.Kana ichitenderera, inogona kuvhara kana kuvhura gomba rekupfuura rakabatana nekamuri yekumanikidza.Sezvo slide valve ichingoda kutenderera panguva ino, kureba kwese kwe compressor kunogona kuderedzwa zvakanyanya.Ichi chirongwa chekugadzira chinogona kupa zvinobudirira kuenderera kwekugadzirisa kugona.Nekudaro, sezvo saizi yegomba rekuburitsa inoramba isina kuchinjika, iyo yemukati yekumanikidza reshiyo inodonha kana kuburutsa kunotanga.Panguva imwecheteyo, nekuda kwekuvapo kwegomba rekupfuura pamadziro evhavha, imwe chiyero che "clearance volume" inoumbwa.Iyo gasi iri mukati meiyi vhoriyamu inodzokororwa nekudzvanywa uye kuwedzera maitiro, zvichikonzera kuderedzwa kwevolumetric uye adiabatic kunyatsoshanda kwecompressor.
3. Maitiro ekugadzirisa slide valve ye screw compressor
Nokufambisa slide valve kuruboshwe uye kurudyi, iyo inoshanda yekumanikidza vhoriyamu inowedzerwa kana kuderera, uye iyo gasi yekuendesa vhoriyamu inogadziriswa.Paunenge uchitakura: piston inofamba kuruboshwe uye slide valve inoenda kuruboshwe uye gasi rekutakura vhoriyamu rinowedzera;pakusunungura: piston inofamba ichienda kurudyi uye slide valve inofamba ichienda kurudyi uye gasi rekutakura vhoriyamu inoderera.
4. Tarisiro yekushandisa screw compressor slide valve kugadzirisa
Kazhinji, mafuta-isina screw compressors haashandise simba rekugadzirisa mudziyo kugadzirisa slide valve.Izvi zvinodaro nekuti iyo compression chamber yemhando iyi yecompressor haingori nemafuta chete asiwo pakupisa kwakanyanya.Izvi zvinoita kuti kushandiswa kwekugadzirisa masiraidhi mavharuvhu zviome nehunyanzvi.
Mumafuta-injected screw air compressors, sezvo iyo yakamanikidzwa svikiro inoramba isina kuchinjwa uye mamiriro ekushanda akagadziriswa, chigadziro chekugadzirisa simba revhavhavha yeslide haiwanzoshandiswa.Iyo inosiyana frequency mota inowanzo shandiswa kuita kuti iyo compressor chimiro ive nyore sezvinobvira uye ichienderana nezvinodiwa zvekugadzirwa kwakawanda..
Zvakakosha kutaura kuti nekuda kwechigadziriso chekugadzirisa simba chinogadzirisa slide valve, compressor inogona kuchengetedza kushanda kwepamusoro pasi pekugadzirisa mamiriro ekushanda.Mumakore achangopfuura, maturusi ekugadzirisa masimba akashandiswawo muoiri-isina screw compressors uye mafuta-injected screw air compressors.Inogadzirisa maitiro evharuvhu inotsvedza.
Mune oiri-yakajairwa screw refrigeration uye process compressors, kugona kugadzirisa masiraidhi mavharuvhu anowanzo shandiswa kugadzirisa volumetric kuyerera kweiyo screw compressor.Kunyangwe iyi nzira yekupedza vhoriyamu yekugadzirisa yakaoma, inogona kuenderera uye isina nhanho kugadzirisa vhoriyamu yekuburitsa, uye kushanda kwayo kwakakwira.
Chirevo: Ichi chinyorwa chakaburitswa kubva paInternet.Zviri muchinyorwa ndezvekudzidza nekutaurirana chete.Air Compressor Network inoramba isina kwayakarerekera maererano nemaonero ari muchinyorwa.Kopirateti yechinyorwa ndeyemunyori wekutanga uye puratifomu.Kana pane kukanganisa, tapota taura nesu kuti tibvise.