ntchito

Mmodzi, PVC thovu board chiyambi

PVC thovu board imadziwikanso kuti bolodi la chipale chofewa kapena bolodi la Andy, malinga ndi njira yopangira, mawonekedwe ndi magwiridwe antchito zitha kugawidwa mu bolodi la thovu la PVC ndi bolodi la thovu laulere.

PVC khungu thovu bolodi amapangidwa ndi ndondomeko Celuca, ndi wosanjikiza wa khungu lolimba pamwamba, yosalala ndi yosalala, kuuma mkulu, katundu wabwino makina, ndi mankhwala mkulu mwatsatanetsatane, zolakwa zazing'ono makulidwe, okhwima zofunika pa nkhungu, chilinganizo, ndondomeko ndi yaiwisi. zipangizo.

Pamwamba pa bolodi la PVC lopanda thovu ndi lotayirira, palibe kutumphuka, ndipo pamwamba pake ndi yabwino komanso yowoneka bwino, yomwe imathandizira kusindikiza, kupopera mbewu ndi kupukuta.Ikhoza kupangidwa ndi nkhungu wamba yotulutsa thobvu, ndipo ndondomekoyi ndi yosavuta kulamulira.

Awiri, makhalidwe a PVC thovu bolodi

Yesani zatsimikizira kuti PVC thovu bolodi ali kutchinjiriza wabwino matenthedwe, kuteteza kutentha, kutchinjiriza phokoso, kubala kuwala ndi katundu wina, kuposa kuwala ena olimba pulasitiki kukodzedwa perlite, ceramsite, mankhwala asibesitosi ndi zipangizo zina kutchinjiriza, ali ndi makhalidwe a ntchito yosavuta, mkulu digiri ya makina, kupulumutsa nthawi, kupulumutsa ntchito.PVC thovu bolodi akhoza kunyamulidwa ndi makina ofukula mapaipi, amene amafupikitsa nthawi ntchito ndi bwino bwino ndi 6 ~ 10 nthawi poyerekeza ndi njira zina.

PVC thovu bolodi anapanga kutchinjiriza wosanjikiza ntchito kutchinjiriza padenga ndi kunja khoma kutchinjiriza, ali wosayerekezeka matenthedwe kutchinjiriza ntchito ndi ntchito adhesion kwa wosanjikiza structural, ndi kumanga yabwino, kuteteza chilengedwe, kupulumutsa nthawi, dzuwa ndi ubwino zina zambiri, angagwiritsidwe ntchito m'malo. polystyrene (benzene board) ndi zida zina zotchinjiriza kutentha.PVC thovu bolodi amagwiritsidwanso ntchito kuchigawo chakumwera kupanga PVC thovu board njerwa, kuti akwaniritse cholinga kutchinjiriza padenga ndi kunja kutchingira khoma.Lili ndi izi:

1) Chuma: mtengo wotsika wathunthu.

2) Kutentha kwamafuta: kutentha kwamafuta ndi 0.06-0.070W / (MK), ndipo kukana kwamafuta kumakhala pafupifupi 10-20 kuposa konkire wamba.

3) opepuka: youma voliyumu kachulukidwe 200-300kg / M3, ofanana pafupifupi 1/5 ~ 1/8 wa wamba simenti konkire, akhoza kuchepetsa katundu wonse wa nyumbayo.

4) Mphamvu yopondereza: mphamvu yopondereza ndi 0.6-25.0MPA.

5) Umphumphu: akhoza kukhala malo kuthira yomanga, pafupi pamodzi ndi ntchito yaikulu, palibe chifukwa kusiya malire msoko ndi mpweya chitoliro.

6) otsika zotanuka mantha mayamwidwe: porosity wa PVC thovu bolodi zimapangitsa kukhala otsika modulus zotanuka, kotero kuti ali ndi mayamwidwe zabwino ndi kubalalitsidwa zotsatira pa katundu zimakhudza.

7) yomanga yosavuta: kokha ntchito PVC thovu bolodi makina akhoza kuzindikira ntchito basi, akhoza kuzindikira kutalika ofukula mamita 200 mayendedwe mtunda wautali, ntchito ndi 150-300m3 / tsiku ntchito.

8) Sound kutchinjiriza: PVC thovu bolodi kutchinjiriza bolodi lili ambiri thovu palokha, ndi kugawa yunifolomu, phokoso mayamwidwe mphamvu 0.09-0.19%, ndi 5 nthawi konkire wamba, ndi ogwira phokoso kutchinjiriza ntchito.

9) Kukaniza madzi: bolodi la thovu la PVC loponyedwa m'malo lili ndi mayamwidwe ang'onoang'ono amadzi, mathovu odziyimira pawokha otsekedwa komanso kukhulupirika kwabwino, kotero kuti imakhala ndi magwiridwe antchito osalowa madzi.

10) Pambuyo powonjezera zakuthupi zamtundu wamtundu, mankhwalawa amatha kupangidwa kukhala mitundu yosiyanasiyana, pambuyo pa ndondomeko ya nyengo, mtundu wake ukhoza kukhala wosasinthika, wosavuta kukalamba.

11) Itha kubowoleredwa, kuchekedwa, kukhomeredwa, kukonzedwa ndikumata ngati nkhuni, ndipo imatha kupangidwa pogwiritsa ntchito zida zopangira matabwa.Chomalizidwacho chingagwiritsidwe ntchito popangira kutentha kwachiwiri ndi kupukuta, ndipo chimatha kulumikizidwa mwachindunji ndi zida zina za PVC.

Chachitatu, kuperewera kwa mankhwala

PVC FOAMED BOARD ILI NDI ZABWINO ZAMBIRI, ZIMENE ZINGAKHALE ZOTHANDIZA KWAMBIRI "ZINTHU ZA MTANDA WA NTCHITO M'M'malo mwa Katundu", malingana ndi malo osiyanasiyana, machitidwe a mankhwalawa ndi osiyana.Mwachitsanzo, "zokongoletsa kunyumba PVC bolodi" amapereka chidwi kwambiri chitetezo ndi chitetezo chilengedwe ntchito, chitonthozo ntchito ndi ntchito yapadera chilengedwe, pamene "malonda PVC bolodi" amapereka chidwi kwambiri kulimba ntchito, ntchito zachuma, kuyeretsa ndi kukonza ntchito.Anthu nthawi zambiri amamvetsetsa kusamvetsetsa kutatu kwa bolodi la thovu la PVC:

1, cholepheretsa moto sichingawotche;

Anthu ena amafuna kutenga choyatsira kuti aziwotcha bolodi la thovu la PVC, kuti awone ngati angapse, kuwotcha simoto, kuwotcha ndikoletsa moto.Izi ndi Kusamvana wamba, zofunika dziko PVC thovu bolodi moto mlingo BF1-T0 mlingo wa muyezo, malinga ndi muyezo dziko zinthu zosayaka monga moto A mlingo, monga mwala, njerwa, etc. Bf1-t0 kalasi flame retardant muyezo luso lili ndi awiri a 10㎜ mpira thonje, choviikidwa mu mowa, anaika PVC pansi kuyaka zachilengedwe, thonje mpira kuwotchedwa, anayeza m'mimba mwake wa anawotchedwa PVC kufufuza pansi, monga zosakwana 50㎜, ndi BF1- T0 grade flame retardant standard.

2, osati kuteteza chilengedwe si "fungo la mphuno";

PVC zinthu palokha mulibe formaldehyde, PVC pansi saloledwa kugwiritsa ntchito formaldehyde mu ndondomeko kupanga, ena apamwamba PVC thovu bolodi adzagwiritsa ntchito kashiamu carbonate yaiwisi latsopano, zopangidwa zopangidwa mankhwala adzakhala ndi kukoma kuwala, sizidzawononga anthu. thupi, sizipangitsa anthu kukhala omasuka.Idzamwazikana pakadutsa mpweya wabwino.

3, “kusamva kuvala” sikuli “ndi zida zakuthwa sizidzawononga”;

Anthu ena akafunsa za moyo wautumiki ndi kuvala kukana kwa bolodi la thovu la PVC, amatenga mpeni kapena kiyi ndi zida zina zakuthwa ndikukanda pamwamba pa PVC.Ngati pali zokanda, sizitha kuvala.Kwenikweni DZIKO LIKUTSUTSA PVC FLOOR ABRASION RESISTANCE TEST SIKUNGOKHALA NDI CHINTHAWI CHAKUCHULUKA PAPHANSI, KOMA NDI NATIONAL DETECTION ORGANIZATION AMAYENEKEDWA MAKADALI.

Chachinayi, magwiridwe antchito a bolodi la thovu la PVC

1. Makina katundu

PVC thovu bolodi ali mkulu kuuma ndi katundu makina.Zimawonjezeka ndi kuwonjezeka kwa kulemera kwa maselo, koma kumachepa ndi kuwonjezeka kwa kutentha.PVC yolimba imakhala ndi makina abwino, ndipo modulus yake yotanuka imatha kufika 1500-3000mpa.Kutanuka kwa PVC yofewa ndi 1.5-15 MPa.Koma elongation pa yopuma ndi mkulu monga 200% -450%.Kukangana kwa PVC kumakhala kofanana ndi 0.4-0.5, kukangana kwamphamvu kwa 0.23.

2, ntchito zamagetsi

PVC foam board ndi mtundu wa polima wokhala ndi magetsi abwino, koma chifukwa cha polarity yake yayikulu, kutchinjiriza kwamagetsi sikuli bwino ngati PP ndi PE.Dielectric yayikulu yosasinthasintha, tangent ya dielectric loss Angle ndi volume resistivity, kusakhazikika kwa corona, nthawi zambiri koyenera zida zotsika komanso zapakatikati zamagetsi.

3. Kuchita kwa kutentha

PVC thovu bolodi kutentha bata ndi osauka kwambiri, 140 ℃ anayamba kuwola, kusungunuka kutentha 160 ℃.PVC liniya kukula koyenelera ndi yaying'ono, ndi flammability, makutidwe ndi okosijeni index okwera mpaka 45.

Zisanu, kupanga thobvu bolodi zofunika

1. Njira yopangira

Njira yopangira thovu yolimba ya PVC ili motere: PVC utomoni + zowonjezera → kusakanikirana kothamanga kwambiri → kusakanikirana kozizira kocheperako → kusanganikirana kozizira kwamapasa → mapangidwe a nkhungu (thovu lotumbidwa) → kuziziritsa ndi kuumba → zodzigudubuza zingapo → kudula zinthu → zosonkhanitsa ndi kuyendera.Mafotokozedwe a zinthu zolimba PVC crusted thovu bolodi ndi 1 220 mm×2 440 mm, ndi makulidwe mankhwala ndi 8 ~ 32 mm.

1.2 Kapangidwe ka mzere wopanga

2. Zofunika zakuthupi

Utomoni: PVC zambiri kusankha 8 mtundu utomoni, processing gelation liwiro mofulumira, processing kutentha ndi otsika, mankhwala khalidwe khola, kachulukidwe n'zosavuta kulamulira.M'zaka zaposachedwa, opanga ambiri asintha kukhala mtundu wa 5 resin.

Stabilizer: kusankha stabilizer, poganizira kuteteza chilengedwe ndi zotsatira zabwino za chisankho choyamba cha osowa dziko stabilizer, koma chifukwa cha mtengo ndi mkulu, si kulimbikitsa, tsogolo ndi zofunika kuwonjezeka chitetezo chilengedwe, osowa dziko stabilizer msika adzakhala. landirani chiyembekezo chowala.Calcium ndi zinc stabilizer ili ndi vuto loyaka zinc ndipo mphamvu yokhazikika ndiyosauka pang'ono ndipo mlingo wake ndi wochepa.Pakali pano, kwambiri ntchito kapena kutsogolera mchere stabilizer, thovu bolodi chifukwa lonse mtanda gawo nkhungu, yaitali njira ndi chikasu thovu kuwola kutentha kupanga, ndi stabilizer amafuna okhutira mkulu kutsogolera, zotsatira zabwino bata, apo ayi mankhwala sachedwa zosiyanasiyana. mavuto.

Wowomba wothandizila: kusankha wowomba wothandizila, kuwomba wothandizila AC mu kuvunda ndondomeko kumasula kutentha kwambiri, zosavuta kutsogolera chikasu gawo pakati, amene amafuna kuchuluka kwa woyera kuwomba wothandizila, kuwonongeka kuyamwa owonjezera kutentha mphamvu, chiwerengero cha thovu wothandizila kukhala lalikulu, kuti tikwaniritse thovu yunifolomu popanda dzenje lalikulu kuwira.

Regulator: thovu loyang'anira, zaka za kafukufuku ndi chitukuko ndi kusintha, thobvu loyang'anira ACR ndondomeko luso kwambiri okhwima, khalidwe khalidwe ndi kwambiri khola, thovu bolodi malinga makulidwe, mbale woonda ayenera kusankha kudya plasticizing, wandiweyani mbale ayenera kusankha. plasticizing pang'onopang'ono yankho mphamvu ya thovu loyang'anira.

Mafuta odzola: Kusankhidwa kwa mafuta kumatsatira mfundo ya mafuta oyambirira, apakati komanso mochedwa, kuti zipangizozo zikhale zotetezedwa ndi mafuta m'magulu onse, ndikutsata kupanga kosasunthika kwa nthawi yaitali popanda kupitirira ndi kukulitsa.

Wothirira thobvu: Kachulukidwe kakang'ono ka thovu zinc oxide chitha kuwonjezeredwa popanga kuti apange thovu komanso mawonekedwe a thovu, ndipo kachulukidwe kakang'ono ka aluminium silicate chitha kuwonjezeredwa kuti muchepetse mvula.

Pigment: Kuti tikwaniritse kukongola kwambiri, titaniyamu woipa ndi fulorosenti whitening wothandizila akhoza kuwonjezeredwa, pofuna kusintha nyengo kukana akhoza kuwonjezeredwa antioxidants ndi ultraviolet kuyamwa.

Wothandizira kudzaza: calcium carbonate yopepuka imatha kusankhidwa, popanda kugwiritsa ntchito kashiamu yogwira, kusankha kwa manambala apamwamba