ISO 21809-1inoshanda kune yakavigwa kana kunyudzwa kwepombi masisitimu muindasitiri yemafuta negasi uye inotsanangura zvinodikanwa zvekunze kwekudzivirira ngura.3LPE uye 3LPPnokutipombi dzesimbi dzakakandwa uye dzisina musono.
Kune matatu makirasi ezvigadzirwa zvepamusoro, zvinoenderana nerudzi rwezvinhu zvinotaridzika:
A: LDPE (yakaderera-density polyethylene);
B: MDPE / HDPE (yepakati-density polyethylene) / (high-density polyethylene);
C: PP (Polypropylene).
Zvinodiwa density yechinhu chega chega zvinotsanangurwa zvakadzama muchikamu chinotevera pane zvinodikanwa zvezvitatu zvemhando.
| Coating class | Top layer zvinhu | Dhizaini tembiricha (°C) |
| A | LDPE | -20 kusvika +60 |
| B | MDPE/HDPE | -40 kusvika +80 |
| C | PP | -20 kusvika +110 |
Iyo coating system ichave nezvikamu zvitatu:
1st layer: epoxy (mvura kana hupfu);
2nd layer: kunamatira;
3rd layer: PE / PP top layer inoshandiswa ne extrusion.
Kana zvichidikanwa, jasi rakakasharara rinogona kuiswa kuwedzera kutsvedza kuramba.Kunyanya uko kunodiwa kubata kwakagadziridzwa uye njodzi yakaderedzwa yekutsvedza.
Epoxy Resin Layer Ukobvu
Maximum 400 um
Minimum: Liquid epoxу: shoma 50um;FBE: shoma 125um.
Adhesive Layer Ukobvu
Minimum 150um pane pombi muviri
Total Coating Ukobvu
Ukobvu mwero weiyo-anti-corrosion layer inoshandurwa neredhi yesaiti uye huremu hwepombi,uye iyo anti-corrosion layer's ukobvu mwero unofanirwa kusarudzwa zvinoenderana nemamiriro ekuvaka, pombi yekuisa nzira, mamiriro ekushandisa, uye saizi yepombi.
Pm uremu hwepombi yesimbi pamamita.
iyo inogona kubvunzwa nekubvunza inoenderanauremu tafura yesimbi pombi mwero, kana neformula:
Pm=(DT)×T×0.02466
D ndiyo yakataurwa kunze kwedhayamita, inoratidzwa mumm;
T ndiyo yakataurwa madziro ukobvu, inoratidzwa mu mm;
Zvinodiwa zveEpoxy Material
Zvinodiwa zveAdhesive Material
Zvinodiwa zvePE/PP Pamusoro Layer
Iyo anti-corrosion process inogona kukamurwa kuita:
1. Kugadzirira kwepamusoro;
2. Coating application
3. Kutonhodza
4. Cutback
5. Kumaka
6. Yakapedzwa kuongororwa kwechigadzirwa
1. Kugadzirira Kwepamusoro
Zvakafanana zvinodikanwa zvinowanikwa muSSPC neNACE zviyero, uye zvinotevera kunyorerana kwakawanda:
| ISO 8501-1 | NACE | SSPC-SP | Designation |
| Sa 2.5 | 2 | 10 | Pedyo-chena simbi inoputika kuchenesa |
| Sa 3 | 1 | 5 | White metal blast kuchenesa |
Ndapota cherechedza kuti mugumisiro weSa 2.5 hauna kugadziriswa zvichienderana negiredhi yekuora yepombi yesimbi, iyo inorongwa seA, B, C, uye D, inoenderana ne4 migumisiro.
2. Coating Application
Ita shuwa kuti preheating tembiricha uye kumhanya kwemutsara wepombi yesimbi mukuita kwekuputira kwakakodzera kuti uwane kurapa kwakazara kwehupfu hwekufukidzira uye kuve nechokwadi chekunamatira kwekuputira pamwe nekudzora ukobvu hwekuputira.
Ukobvu hweiyo corrosion yekudzivirira layer inobatanawo nematanho emidziyo yekupfekedza.
3. Kutonhodza
Iyo yakavharwa yakavharwa ichatonhodzwa kune tembiricha inodzivirira kubata kukanganisa panguva yekupedzisa uye yekupedzisira kuongorora.
Kazhinji, tembiricha yekutonhodza ye3LPE haipfuure 60 ℃, uye tembiricha yekutonhodza ye3LPP ichakwira zvishoma.
4. Cutback
Humwe hurefu hwekupfeka hunofanira kubviswa kubva kumigumo yese yepombi uye iyo corrosion yekudzivirira layer haifanirwe kubhedhenurwa pakona inodarika 30 ° kudzivirira kukanganisa kunogoneka kune ngura yekudzivirira yekudzivirira panguva yewelding.
5. Kumaka
Kutevedzera zviyero uye zvinodiwa nevatengi.
Aya mabhii anofanirwa kuitwa stencile kana kupendwa kuona kuti mabhii akajeka uye haasi kupera.
6. Yakapera Kuongorora Chigadzirwa
Kuongorora kwakadzama kwepombi dzakapera anti-corrosion kuti isangane nezvinodiwa zve ISO 21809-1.
3LPE Zvikumbiro
3LPE coatings inopa yakakwira makemikari kuramba, yakanakisa mechanical kuchengetedza pamwe nekusimba kwakanaka, uye yakaderera kugadzirisa mutengo.
Inokodzera kuvigwa kana pasi pemvura mapaipi ayo anoda yakakwirira corrosion resistance uye mechanical protection muvhu nemvura.
Inowanzo shandiswa mumapombi masisitimu ekutakura oiri, gasi, uye mvura.
3LPP Zvikumbiro
3LPP machira ane yakakwirira tembiricha kuramba uye yakanakisa kemikari kugadzikana pane polyethylene.Nekudaro, inogona kuita brittle pakudziya kwakaderera.
Inokodzera tembiricha yepamusoro uye nzvimbo dzinoda zvakanyanya, senge pombi munzvimbo dzinopisa kana padyo nemakemikari ekugadzira mafekitari.
Inowanzo shandiswa mumafuta uye gasi pombi masisitimu uko yakanyanya-tembiricha kuita kunodiwa.
DIN 30670: Polyethylene machira emapombi esimbi uye fittings.
Iyi ndiyo chiyero cheindasitiri yeGerman chakanangana nepolyethylene coatings yemapombi esimbi uye mafittings awo.
DIN 30678: Polypropylene coatings pamapombi esimbi.
Polypropylene coating system yakanangana nemapombi esimbi.
GB/T 23257: Polyethylene coating tekinoroji zviyero pane yakavigwa simbi pombi.
Uyu ndiwo chiyero chenyika muChina chinovhara tekinoroji yekupfekedza tekinoroji yekuvigwa mapaipi esimbi.
CSA Z245.21: Kudyara-kushandiswa kwekunze kwekunze kwepombi yesimbi.
Iyi ndiyo Canadian Standards Association (CSA) chiyero chinotsanangura zvinodiwa zvekunze zve polyethylene coatings inoshandiswa kuchengetedza simbi pombi.
Comprehensive product coverage+
Kuvimbiswa kwepamusoro-soro: Zvigadzirwa zvese zvinoenderana nemhando dzepasi rose, senge ISO 21809-1, izvo zvakagadzirirwa zvakanangana ne-anti-corrosion zvinodiwa zveindasitiri yemafuta negesi.
Customized service: Kwete chete isu tinopa zvigadzirwa zvakajairwa, asi zvinoenderana nezvinodiwa zveprojekiti uye mamiriro ezvakatipoteredza, anti-corrosion coatings uye mapombi esimbi anogona kugadzirwa kuti ave nechokwadi chekushanda kwakanyanya uye mutengo-kubudirira.
Tsigiro yehunyanzvi uye basa revatengi: Chikwata chedu chenyanzvi chinopa zano rehunyanzvi nerutsigiro kubatsira vatengi kusarudza yakanyatsokodzera simbi pombi uye anti-corrosion mhinduro kuve nechokwadi chekubudirira kwekuita kwemapurojekiti avo.
Kukurumidza kupindura uye kutumira: Nehombe yekuverenga uye inobudirira logistics system, isu tinokwanisa kupindura nekukurumidza kune zvinodiwa nevatengi uye tive nechokwadi chekutumira panguva.
Isu tiri kutarisira kushanda pamwe newe kuti tipe yakanakisa mhando yesimbi pombi uye anti-corrosion coating mhinduro kumapurojekiti ako.Ndapota inzwa wakasununguka kutibata nesu kuti uwane rumwe ruzivo rwechigadzirwa, isu tinofara kukubatsira iwe kuwana yakanakisa simbi pombi sarudzo pane zvaunoda!
