Polyurea anti-lalata shafi ga bututu da najasa tankuna
Bayanin Samfura
Abubuwan polyurea galibi sun ƙunshi abubuwan isocyanate da amines polyether. A halin yanzu albarkatun kasa na polyurea yafi kunshi MDI, polyether polyols, polyether polyamines, amine sarkar extenders, daban-daban ayyuka Additives, pigments da fillers, da kuma aiki diluents. Rubutun polyurea suna da halaye na saurin warkarwa da sauri, saurin gini mai sauri, kyakkyawan rigakafin lalata da aikin hana ruwa, kewayon zafin jiki mai faɗi, da tsari mai sauƙi. Sun dace musamman ga masana'antu daban-daban da masana'antar hakar ma'adinai, wuraren ajiye motoci, filayen wasanni, da sauransu, don rufin bene tare da buƙatu don rigakafin zamewa, lalatawa da juriya.
SIFFOFIN KIRKI
- Mafi girman juriya, juriya, tsayin sabis;
- Yana da mafi kyawun tauri fiye da bene na epoxy, ba tare da peeling ko fashewa ba:
- Matsakaicin juzu'i na saman yana da girma, yana sa ya fi juriya fiye da shimfidar epoxy.
- Samuwar fim ɗin gashi ɗaya, bushewa da sauri, gini mai sauƙi da sauri:
- Sake shafa yana da kyakkyawan mannewa kuma yana da sauƙin gyarawa.
- Ana iya zaɓar launuka da yardar kaina. Yana da kyau da haske. Ba shi da guba kuma yana da alaƙa da muhalli.
Filin rigakafin lalata shine inda fasahar polyurea ta shiga da wuri kuma an yi amfani da ita sosai a aikin injiniya. Aikace-aikacensa sun haɗa da hana lalata tsarin ƙarfe kamar bututu, tankunan ajiya, docks, tulin ƙarfe, da tankunan ajiyar sinadarai. Rufin kayan yana da yawa, maras kyau, yana da ƙarfin anti-permeation da aikin lalata, zai iya jure wa mafi yawan lalacewar kafofin watsa labaru na sinadarai, kuma ana iya amfani dashi na dogon lokaci a cikin yanayin waje tare da lalata mai karfi irin su fadama, tafkuna, man gishiri, da wuraren m ba tare da foda ba, fatattaka, ko peeling. Yana da kyakkyawan juriya na yanayi. Delsil polyurea anti-lalata shafi ba zai karya ko da akwai nakasu a cikin karfe tsarin, kuma har yanzu iya rufe dukan workpiece surface ko da a cikin yanayi mara kyau kamar protrusions ko depressions na bututu.
Hanyoyin gine-gine
Sabuwar Fasahar Yaki da Lalata don Tafkunan Najasa
Yayin da yanayin kariyar muhalli ke ƙara yin tsanani, ruwan sharar masana'antu, ruwan sha na likitanci, da kuma maganin taki na karkara duk sun ɗauki hanyar tattarawa ta tsakiya. Ƙaddamar da lalata wuraren tafki ko kwalayen ƙarfe waɗanda ke ɗauke da najasa ko ruwan sha ya zama babban fifiko. In ba haka ba, zai haifar da yabo na biyu na najasa, wanda zai haifar da gurɓataccen ƙasa da ba za a iya jurewa ba. Dangane da kididdigar da ba ta cika ba, rayuwar sabis na wuraren waha mai lalata lalata ya ninka sau 15 fiye da na wuraren waha. A bayyane yake, hana lalata wuraren tafkunan najasa ba kawai wani muhimmin sashi ne na wuraren kare muhalli ba har ma da wata boyayyiyar riba ga kamfanoni.
- 1. Yin niƙa da tsaftacewa: Da farko a share sannan a tsaftace don cire ƙura, tabon mai, gishiri, tsatsa, da kuma saki daga saman tushe. Bayan an yi niƙa sosai, a zubar da ƙura.
- 2. Shafi mai laushi mara ƙarfi: Ya kamata a yi amfani da shi a kan ƙasa kafin ginawa. Yana iya rufe ramukan capillary na farfajiyar ƙasa, rage lahani na shafi bayan fesa, da ƙara mannewa tsakanin rufin da siminti da bene na kankare. Jira har sai ya warke sosai kafin a ci gaba zuwa mataki na gaba na ginin.
- 3. Polyurea putty gyare-gyare Layer (wanda aka zaɓa bisa ga yanayin lalacewa): Yi amfani da gyare-gyaren polyurea da aka keɓe don gyarawa da daidaitawa. Bayan warkewa, yi amfani da dabaran niƙa na lantarki don cikakken niƙa sannan kuma tsabtace tsabta.
- 4. Hatimin firamare mara ƙarfi: Haɗa na'urar da ba ta da ƙarfi da kuma mai warkarwa a cikin rabon da aka tsara, a jujjuya su daidai, kuma a mirgine ko goge fiddashin daidai cikin ƙayyadadden lokacin amfani. Rufe saman tushe kuma ƙara adhesion. Bari ya warke don sa'o'i 12-24 (dangane da yanayin ƙasa, tare da ka'idar rufe ƙasa).
- 5. Fesa polyurea anti-lalata shafi; Bayan an gama feshin gwajin, sai a fara fesa ramin haɗin, sannan a fesa saman bututun na ciki, a fesa madaidaicin bututu ko gwiwar hannu a cikin masana'anta, sannan a fesa haɗin gwiwa a wurin. Fesa a cikin tsari na sama zuwa ƙasa, sannan ƙasa, kuma motsawa cikin ƙaramin yanki a cikin tsarin giciye. Matsakaicin kauri shine 1.5-2.0mm. Kammala feshin a tafi ɗaya. Ana iya samun takamaiman hanyoyi a cikin "Ƙa'idodin Rubutun Injiniyan Polyurea".
- 6. Rubutun mirgine da fesa saman gashin polyurea: Mix babban wakili da wakili na warkewa a cikin rabon da aka tsara, motsawa sosai, kuma yi amfani da abin nadi na musamman don jujjuyawar uniform ko na'urar feshi don fesa murfin murfin polyurea a kan cikakkiyar murfin polyurea. Yi tsayayya da hasken ultraviolet, hana tsufa, da canza launi.
Rigakafin lalata bututun mai
A cikin 'yan shekarun nan, an sami gagarumin ci gaba a cikin kayan rigakafin lalata bututun mai. Daga tsarin rigakafin lalata kwal na farko zuwa tsarin rigakafin lalata filastik na 3PE, kuma yanzu zuwa kayan haɗin gwiwar polymer, aikin ya inganta sosai. A halin yanzu, yawancin hanyoyin rigakafin lalata suna da halaye irin su babban wahalar gini, ɗan gajeren rayuwa, wahalar kiyayewa a mataki na gaba, da rashin kyawun muhalli. Fitowar polyurea ya cika wannan gibin a fagen.
- 1. Sandblasting domin tsatsa kau: Da fari dai, da bututu suna sandblasted ga tsatsa kau zuwa Sa2.5 misali. Ya kamata a kammala aikin fashewar yashi a cikin sa'o'i 6. Sa'an nan kuma, ana amfani da suturar farko na polyurethane.
- 2. Aikace-aikacen Farko: Bayan yashi, ana amfani da firamare na musamman mara ƙarfi. Bayan na farko ya bushe zuwa yanayin da babu wani ruwa mai haske da ya rage a saman, an fesa murfin polyurethane. Tabbatar da ko da aikace-aikace don tabbatar da mannewa tsakanin polyurethane da bututu substrate.
- 3. Polyurethane spraying: Yi amfani da na'urar feshin polyurethane don fesa polyurethane daidai har sai an sami kauri na fim. Ya kamata saman ya zama santsi, ba tare da gudu-gudu ba, ramuka, kumfa, ko tsagewa. Don lalacewa na gida ko ramuka, ana iya amfani da gyaran gyare-gyaren polyurethane na hannu don faci.
