Nekuita kwakajairika kweakawanda masisitimu emotokari, mapaipi anopokana neoiri, peturu uye dzimwe nzvimbo dzine hutsinye anodiwa.Mafuta-uye-peturu-resistant (MBS) hoses, hoses uye machubhu anoshandiswa semapaipi akadaro - verenga nezve zvigadzirwa izvi, mhando dzazvo, dhizaini uye maitiro mune ino chinyorwa.
Chii chinonzi hose isingaite mafuta?
Mafuta-uye-peturu-inodzivirirahose (MBS hose, MBS hose) ipombi inochinjika yakagadzirirwa kugovera (kupa, pombi) peturu, mafuta edhiziri, oiri, mabhureki emvura uye zvimwe zvigadzirwa zvepetroleum, pamwe nezvinotonhodza, isina simba asidhi mhinduro uye zvimwe zvisina simba media.
MBS hoses inoshandiswa pakubatanidza hermetic yezvikamu mumafuta, oiri, mabhureki uye mamwe masisitimu emotokari, mune hydraulic masisitimu epasi uye akanyanya kudzvinyirira zvigadzirwa zvekugadzira, pakupomba zvigadzirwa zvepetroleum pakati pematangi nemidziyo yakasiyana-siyana, etc. Kusiyana nesimbi yakaoma mapaipi, hoses. bvumira kutamiswa kwezvikamu zvehurongwa zvine hukama kune mumwe nemumwe, ivo vanoramba deformation uye nemhedzisiro yakaipa zvakanaka.Zvese izvi zvakakonzera kushandiswa kwakapararira kweMBS hoses mumapazi akasiyana etekinoroji, indasitiri, nezvimwe.
Mhando uye maitiro eMBS hoses
MBS hoses (mahosi) akaiswa muzvikamu zvinoenderana nechinhu chikuru chekugadzira, chinangwa uye kushanda, uye maitiro.
Maererano nezvinhu zvekugadzira, hoses ndezvi:
• Rubha - mukati uye kunze kwemukati wepombi (mashizha) anogadzirwa nemhando dzakasiyana-siyana dzerubha dzinorwisana nezvimwe zvinwiwa uye magasi;
• PVC - iyo hose yakagadzirwa nemhando dzakasiyana-siyana dzepolyvinyl chloride uye mamwe mapolymers anopesana nemamiriro akasiyana-siyana ane utsinye.
Zvinoenderana nechinangwa, MBS hoses yakakamurwa kuita mapoka matatu:
• Kudzvinyirira - kwakagadzirirwa kushanda pasi pekuwedzera kudzvinyirira (kubva kumhepo uye kumusoro), zviyero zvakatorwa mukugadzirwa kwavo kudzivirira kukanganiswa uye kuputika kwemadziro nemvura inojowa;
• Kusveta - kwakagadzirirwa kushanda pasi pekuderedza kuderedzwa (pasi pemhepo), matanho akatorwa mukugadzirwa kwavo kudzivirira kudzvinyirira kwemasvingo pasi pechiito chekuvhara (kuchengetedza mukati memukati nguva dzose);
• Universal kudzvinyirirwa-kusveta.
Maererano nekushanda, hoses inogona kugoverwa mumapoka akawanda:
• Yekushandisa muhupenyu hwezuva nezuva, zvitoro zvekugadzirisa otomatiki uye mune mamwe mamiriro pasina kupinza pombi mumotokari kana zvimwe zvishandiso;
• Zvemafuta emotokari masisitimu;
• Kune mabhureki masisitimu emotokari nekushandiswa kwemvura inoshanda yakavakirwa pamaminerari nemafuta ekugadzira;
• Yehydraulic masisitimu emotokari, michina yemotokari, michina yekurima, maindasitiri nemimwe michina;
• Yekushandisa mafuta ekufambisa (yekupomba mafuta nemafuta, kupa mafuta kune mutengi, nezvimwewo).
Pakupedzisira, mahosi akakamurwa kuva marudzi maviri ane chekuita nemagetsi akamira:
• Mapaipi akajairika;
• Mapaipi akaiswa pasi kuti atsause magetsi akamira.
Mukugadzirwa kwemahosi emhando yechipiri, tambo yemhangura inopiwa, iyo inobata basa rekugadzirisa pasi.Aya ma MBS hoses anoshandiswa pakuwedzera mafuta muchina nemidziyo, pamidziyo yemaindasitiri, nezvimwe.
Pahunhu hwezvipingamupinyi zveSBS, zvinofanirwa kucherechedzwa:
• Operating pressure - yekusveta - 0.09 MPa (0.9 atmospheres), yekubudisa - the standard range of 0.1, 0.16, 0.25, 0.4, 0.63, 1.0, 1.6, 2.5, 4, 6.3 uye 10 MPa (kubva pa10 kusvika ku10) ;
• Mukati mukati - kubva pa3 kusvika ku25 mm (PVC hoses) uye kubva 4 kusvika ku100 mm (rubber hoses);
• Kunze kwekunze - kunoenderana nehupamhi hwemadziro, rudzi rwebraid, kuvapo kwekusimbisa, etc. Sezvo mutemo, dhiyabhorosi yekunze ndeye 1.5-3 nguva yakakura kudarika dhayamita yemukati;
• Kushanda tembiricha range.
Kusiyana, zvinofanira kutaurwa pamusoro pekupedzisira parameter.Nhasi, MBS hoses inogadzirwa kunzvimbo nhatu dzemamiriro ekunze, dzinosiyana mune yakanyanya kubvumidzwa tembiricha yakaipa:
• Kumamiriro ekunze anodziya - kusvika -35 ° C;
• Kumamiriro ekunze anopisa - kusvika -20 ° C;
• Kumamiriro ekunze anotonhora - kusvika -50 ° C.
Iyo yakanyanya tembiricha yakanaka kune ese hose yakafanana - kusvika + 70 ° C yemafuta (peturu, parafini, dhiziri mafuta) uye kusvika + 100 ° C yemafuta.
MBS hose dhizaini
PVC hoses (machubhu) akarongwa zvakanyanya nyore.Muchiitiko chakareruka, iyi ihose, mumadziro ayo ane textile kana wire braid.Kune zvakare multilayer akasiyana ePVC machubhu - ane yemukati layer inopesana nemafuta, oiri uye zvimwe zvinwiwa.Kusimbisa kunogona kuwanikwa muchikamu chekunze kana pakati pezvikamu.
Rubber hoses nedhizaini yakakamurwa kuita mapoka akati wandei:
• Kusasimbiswa ne thread reinforcement (GOST 10362-76);
• Kusasimbiswa ne thread / textile kusimbisa uye textile furemu (GOST 18698-79);
• Kusimbiswa kwemhando dzakafanana (GOST 5398-76).
Mahosi asina kusimbiswa ane tambo yekusimbisa anonyanya kurongeka, iwo matatu-layer chimiro:
Chimiro cheiyo yakasimbiswa rubber hose MBS
1.Chikamu chemukati irabha inopesana nemafuta, mafuta uye zvimwe zvinwiwa;
2.Thread / textile reinforcement - braid yakagadzirwa nemagetsi, machira kana akasanganiswa tambo / machira, anogona kuitwa muzvikamu 1-6;
3.Iyo kunze kwerabha inopesana nemaitiro akaipa ezvakatipoteredza, mafuta uye mafuta, makemikari akasiyana-siyana, nezvimwewo.
Hoses ine textile furemu ine imwe yekuwedzera yekunze - jira rakarukwa rakagadzirwa neyakagadzirwa, donje kana jira rakasanganiswa.Iyo furemu inokuvadzwa paipi muzvikamu zvakawanda.Kazhinji rudzi urwu rwechigadzirwa runodaidzwa kuti durite kana hoses ane durite braiding.
Mumahosi akasimbiswa, jira repakati rerubha rinowedzerwa, umo simbi kana mhangura yemhangura (maererano nemitemo yepamba) kana mesh yakaonda yesimbi inoiswa.Kusimbisa kunogona kunge kune imwe kana maviri akaturikidzana, asi kune akakosha maoko ane akasimbiswa akawanda-layer reinforcement.Mutsara wemhangura wevhu unogona kuwanikwa mumutsara wakafanana wepombi.
Mamwe marudzi ehosi yerabha akashongedzerwa nemagumo ekupedzisira kune rimwe kana mativi ese.Mahosi akadaro, sekutonga, akagadzirirwa kuiswa mune zvimwe zvikamu, magungano uye masisitimu emotokari nemimwe midziyo, anotemwa kuhukuru hunodiwa uye ane hunhu hunodiwa.
Hunhu, nomenclature uye kugadzirwa kwerabha hose MBS zvinodzorwa nezviri pamusoro uye zvimwe zviyero.Mapaipi akafanana ePVC haana mwero mumwechete, anogadzirwa zvinoenderana neakasiyana zvirevo.
Nyaya dzekusarudza uye kushanda kweMBS hoses
Mhando dzakasiyana-siyana dzemafuta-resistant hoses
Paunosarudza hose-inodzivirira mafuta, zvinodikanwa kufunga nezvechinangwa chavo cheramangwana uye mamiriro ayo zvigadzirwa izvi zvichashandiswa.
Nekushandisa kwakavanzika nechinangwa chekupomba mafuta kana oiri, iyo isingadhure PVC hose yakakwana - haina uremu, iri nyore kuchengeta uye iri nyore kushandisa (pachena madziro anotendera iwe kuona kuvepo kwekuyerera kwemvura, nezvimwewo).
Nekugadzirisa mafuta, lubrication, braking uye mamwe masisitimu umo kuwedzera kudzvanywa kwepakati pekushanda kunochengetedzwa, MBS rubber hoses inofanira kushandiswa.Paunenge uchitenga, zvinodikanwa kusarudza iyo yakakodzera yemukati dhayamita uye maitiro - kushanda kumanikidza uye tembiricha renji.Muchiitiko ichi, zvakakoshawo kuchengetedza mabhanhire uye magumo ekugadzirisa kukwira hose.
Kazhinji, pakugadzirisa mamwe masisitimu, zvikamu uye magungano, hose dzinenge dzakatoiswa magumo ekupedzisira anotengeswa - iyi ndiyo mhinduro yakakwana inochengetedza nguva nemari (sezvo pasina chikonzero chekucheka hose kureba uye kuisa fittings), uye inopa kuvimbika kukuru kwehurongwa.
Kune maindasitiri uye mamwe maapplication akakosha, zvinodikanwa kusarudza MBS hose ine humwe hunhu, kusanganisira mukana wekuisa pasi, mahombe-dhayamita zvigadzirwa, hose dzeimwe mhando yezvinwiwa, nezvimwe.
Kupedzisa zvigadziriso zveMBS hoses
Kuti uite sarudzo yakanaka yepombi, unofanirwa kuterera kumaka kwayo.Zvinoenderana nezviyero, kucherekedza kunosanganisira chiratidzo chemukati nekunze dhayamita, kushanda kumanikidza, kugadziridzwa kwemamiriro ekunze uye GOST, inoenderana nechigadzirwa ichi.Semuenzaniso, kutara "Hose 20x30-1 GOST 10362-76" zvinoreva kuti hose ine dhayamita yemukati ye20 mm, kunze kwe30 mm, kushanda kwe1 MPa uye yakagadzirirwa kushanda munzvimbo dzakadzikama uye dzinopisa. .Kuvapo kwemavara "HL" kunoratidza mukana wekushandisa hose munzvimbo inotonhora.Mafuta-ne-petroli-anodzivirira hoses maererano neGOST 18698-79 akanyorwa nemhando "Sleeve B (I) -10-50-64-T" - apo "B (I)" zvinoreva kushandiswa kwechigadzirwa che. kushanda nepeturu neoiri, nhamba yekutanga isimba rekushanda mumhepo, madhijitari maviri ekupedzisira ndiwo madhayamita emukati nekunze, vara rekupedzisira kuchinjika kwemamiriro ekunze ("T" - kumamiriro ekunze anopisa, "U" - inodziya. , "HL" - kutonhora).Hoses maererano neGOST 5398-76 ine chiratidzo chakafanana chemhando "Hose B-2-25-10 GOST 5398-76", apo "B-2" ndiko kushandiswa kwechigadzirwa chekushanda nemafuta nemafuta, "25 " ndiyo dhayamita yemukati (iyo dhayamita yekunze haina kuratidzwa), uye 10 isimba rekushanda mumhepo.Inoratidzawo shanduro yemamiriro ekunze (yemamiriro ekunze anodziya - asina kunyorwa, kune dzinopisa - "T", kutonhora - "HL").
Kuziva izvi, unogona kusarudza nyore hose inodiwa, uye nekuvimba kugadzirisa mabasa.
Nguva yekutumira: Aug-22-2023