Mukuyesera kupeza mapaipi ndikuwona "poly pipe" ndi "HDPE pipe" zomwe zagwiritsidwa ntchito mu ma quotes ndi ma datasheet. Izi zimapangitsa kusatsimikizika, zomwe zimakupangitsani kuda nkhawa ngati mukuyerekeza zinthu zoyenera kapena mukusowa tsatanetsatane wofunikira.

Palibe kusiyana kwa ntchito. “Poly pipe” ndi dzina lodziwika bwino la chitoliro cha HDPE (High-Density Polyethylene). Munthu wina mumakampani opanga madzi akanena kuti “poly pipe,” akunena za chitoliro cha HDPE chomwe chimagwiritsidwa ntchito popondereza madzi monga madzi ndi main gasi.

Ndinali pa kanema ndi wogulitsa watsopano ku Surabaya, ndipo nthawi zonse ankandifunsa za mitengo yathu ya "poly pipe" poyerekeza ndi mitengo yathu ya "HDPE". Ndinayimitsa zokambiranazo ndikufotokozera kuti ndi zomwezo. Nkhope yake inasonyeza mpumulo nthawi yomweyo. Ankaganiza kuti akusowa china chake chaukadaulo. Iyi ndi mfundo yofala kwambiri yosokoneza. "Poly" ndi mawu osavuta kunena, pomwe "HDPE" ndi zida zenizeni zaukadaulo. Taganizirani motere: mutha kufunsa "Coke," koma chinthucho chokha ndi Coca-Cola. Pazifukwa zilizonse zaukadaulo, tikulankhula za HDPE, ndipo nthawi zambiri PE100 grade.

Kodi mungagwiritse ntchito zomangira za PVC pa chitoliro cha HDPE?

Muli ndi zolumikizira za PVC ndi chitoliro cha HDPE chomwe chikufunika kulumikizidwa. Kugwiritsa ntchito zomwe muli nazo kungakhale kosavuta komanso kotsika mtengo, koma kodi ndikotetezeka kapena n'kotheka?

Ayi, simungagwiritse ntchito zolumikizira za PVC zomwe zimagwiritsidwa ntchito pa chitoliro cha HDPE. Zipangizo zake sizigwirizana ndi mankhwala ndipo zimafuna njira zosiyana zolumikizira. Kuyesa kumata cholumikizira cha PVC pa chitoliro cha HDPE kumapanga cholumikizira chomwe chimatsimikizika kuti chidzalephera mukapanikizika.

Iyi ndi nkhani yofunika kwambiri pa chitetezo ndi kudalirika. PVC ndi HDPE ndi mabanja awiri osiyana kwambiri a pulasitiki. Zolumikizira za PVC zimalumikizidwa pogwiritsa ntchito simenti yosungunulira, yomwe ndi mtundu wa guluu wa mankhwala. Chosungunulira chimagwira ntchito pofewetsa pamwamba pa chitoliro cha PVC ndi cholumikizira, zomwe zimawalola kuti azilumikizana pamene chosungunulira chikuphwanyika. Komabe, HDPE ndi polyolefin. Ili ndi pamwamba ngati sera, yopanda madzi komwe guluu kapena simenti yosungunulira singagwirizane bwino. Ngati mutayesa kuziphatikiza, mumapanga chisindikizo chofooka, cha kanthawi chomwe chingasweke mzere ukangoyamba kupanikizika. Njira yokhayo yolondola yolumikizira makina a PVC ku makina a HDPE ndikugwiritsa ntchito cholumikizira chapadera chosinthira, monga cholumikizira chapadera, mongaadaputala ya flangembali iliyonse yolumikizidwa pamodzi, kapena cholumikizira chapadera cha makina chopangidwa kuti chigwirizane ndi zipangizo ziwiri zosiyana.

Kodi mumamatira chitoliro cha HDPE?

Muyenera kulumikiza zidutswa ziwiri za chitoliro cha HDPE. Ndi PVC, njira yake ndi yosavuta: ikani pulasitala ndi guluu. Izi zimakupangitsani kudabwa ngati pali guluu wofanana ndi chitoliro cha HDPE.

Ayi, simugwiritsa ntchito guluu pa chitoliro cha HDPE. Kapangidwe ka mankhwala ka HDPE kamachititsa kuti zomatira zisapange mgwirizano wokhazikika komanso wolimba. Njira yokhayo yoyenera yolumikizira HDPE ndi kudzera mu thermal heat fusion, yomwe imasungunula pulasitiki yokha kuti ipange cholumikiziracho.

Chifukwa chomwe simungathe kumata HDPE ndi chifukwa cha sayansi yake. HDPE ili ndikukana kwambiri mankhwala ndi zosungunulira, chomwe ndi chimodzi mwa ubwino wake waukulu. Kapangidwe komweko kamatanthauza kuti zomatira za mankhwala, monga simenti yosungunulira yomwe imagwiritsidwa ntchito pa PVC, sizigwira ntchito. Sizingalumike pamwamba pa pulasitiki kuti zipange weld. Kuyesa kupeza "glue" ya HDPE ndi cholakwika chofala kwa magulu omwe ndi atsopano kuzinthuzo. Njira yolondola komanso yokhayo yovomerezeka ndi mafakitale popanga cholumikizira chokhazikika, chomangidwa ndi kutentha ndi kuphatikiza kutentha. Njirayi imagwiritsa ntchito chida chapadera chotenthetsera kuti isungunule pamwamba pa mapaipi kapena zolumikizira zomwe zikulumikizidwa. Zikasungunuka, zimakankhidwira pamodzi ndikugwiridwa pansi pa kupanikizika. Pulasitiki ikazizira, imalumikizana kukhala chidutswa chimodzi chopanda msoko. Cholumikizira chomwe chimachokera si chisindikizo chokha; ndi weld yolimba kwambiri yomwe imakhala yolimba, kapena yolimba kwambiri, kuposa chitoliro choyambirira chokha.

Kodi njira yabwino kwambiri yolumikizira HDPE ndi iti?

Podziwa kuti simungagwiritse ntchito guluu, muyenera kumvetsetsa njira yoyenera yaukadaulo. Kusankha njira yoyenera ndikofunikira kuti payipi yanu ikhale yolimba, yosalowa madzi, komanso idzakhalapo kwa zaka zambiri.

Njira yabwino yolumikizira HDPE ndi kugwiritsa ntchito heat fusion. Njirayi imapanga cholumikizira chokhazikika, cha monolithic chomwe chili cholimba ngati chitoliro chokha. Njira ziwiri zazikulu ndi izi:kusakanikirana kwa matakoza mapaipi akuluakulu ndikusakanikirana kwa soketiza mapaipi ang'onoang'ono ndi zolumikizira.

Kusakaniza kutentha ndiye muyezo wabwino kwambiri wa HDPE chifukwa kumachotsa mfundo yofala kwambiri yolephera mu payipi iliyonse: cholumikizira. M'malo modalira chinthu china monga gasket kapena guluu, chimasandutsa malekezero awiriwa kukhala chidutswa chimodzi cholimba. Njira yeniyeniyo imadalira kukula kwa payipi.

Kusakanikirana kwa Matako

1. Mapeto awiri a mapaipi amamangiriridwa mu makina omwe amatsimikizira kuti ali bwino.
2. Chodulira chapadera chimayang'ana kumapeto, zomwe zimapangitsa kuti zikhale zoyera bwino komanso zofanana.
3. Mbale yotenthetsera yoyendetsedwa ndi kutentha imayikidwa pakati pa malekezero, ndikusungunula mpaka kuzama kwina.
4. Chotenthetseracho chimachotsedwa, ndipo malekezero osungunuka amakanikizidwa pamodzi pansi pa mphamvu yolamulidwa, zomwe zimapangitsa kuti chotenthetseracho chikhale cholimba.

Kusakaniza kwa Socket

1. Chida chotenthetsera chokhala ndi mitu ya amuna ndi akazi yofanana chimatenthetsa kunja kwa chitoliro ndi mkati mwa cholumikizira nthawi imodzi.
2. Chidacho chikatenthedwa, chimachotsedwa, ndipo chitolirocho chimakankhidwira nthawi yomweyo mu soketi ya cholumikizira.
3. Zigawozo zimasungidwa kwa kanthawi kochepa koziziritsa, zomwe zimathandiza kuti mapulasitiki azigwirizana kwamuyaya.

Kodi chitoliro cha HDPE chimakhala ndi moyo wautali bwanji?

Mukupanga ndalama zambiri pa zomangamanga zanu. Muyenera kutsimikiza kuti zipangizo zomwe mwasankha sizidzafunika kukonzanso kapena kusinthidwa pazaka zochepa chabe.

Chitoliro cha HDPE chimakhala ndi moyo wokhazikika wa zaka 50, koma zoyerekeza zenizeni ndi maphunziro zikusonyeza kuti chingakhale zaka 100 kapena kuposerapo. Kulimba kwake kumachokera ku kukana kwake dzimbiri, kuukira kwa mankhwala, komanso kutopa kwakuthupi, zomwe zimapangitsa kuti pakhale mtengo wotsika kwambiri wa umwini.

Moyo wautali wa chitoliro cha HDPE si nkhani chabe; ndi chifukwa cha zinthu zake zazikulu. Izi zimapangitsa kuti chikhale chanzeru kwambiri pa nthawi yayitali, chomwe ndi chinthu chofunikira kwambiri pakuwunika kwa woyang'anira aliyense wogula. Pali zifukwa zingapo zomwe zimakhalira nthawi yayitali:

• Ndi Chemical Inert:HDPE siichita dzimbiri kapena kuwononga ngati mapaipi achitsulo. Imalimbananso kwambiri ndi mankhwala, ma acid, ndi ma alkali omwe amapezeka m'nthaka ndi m'madzi, kotero khoma la mapaipi silimawonongeka pakapita nthawi.
• Ndi Yosatopa:HDPE ndi chinthu chosinthasintha. Izi zimathandiza kuti itenge bwino kuthamanga kwa mphamvu, kugwedezeka, ndi kuyenda kwa nthaka zomwe zingayambitse mapaipi olimba monga PVC kapena chitsulo kusweka ndikulephera.
• Ndi Yosamva Kukwinyika:Zipangizozo ndi zolimba kwambiri ndipo zimapirira bwino zinthu zokwawa zomwe zingayende mkati mwa chitoliro, monga mchenga kapena matope, zomwe zimapezeka m'madzi ena.
• Ma Joint Osataya Madzi:Monga tafotokozera, malo olumikizirana ndi kutentha ndi olimba ngati chitoliro. Izi zimachotsa kutayika kwa madzi kuchokera ku malo olumikizirana omwe amatuluka madzi, lomwe ndi vuto lalikulu kwa nthawi yayitali ndi makina akale omwe amagwiritsa ntchito malo olumikizirana omwe ali ndi gasketed kapena bell-and-spigot.

Mapeto

Chitoliro cha poly ndi dzina lodziwika bwino la HDPE. Ndi chinthu chapamwamba kwambiri cholumikizidwa ndi kutentha, osati guluu, chomwe chimapereka moyo wautumiki wa zaka 100 kapena kuposerapo.