Ukususwa kokugqwala ku-Spiral welded pipe (SSAW) kanye nenqubo yokuqeda ukugqwala: Ukukhipha ukugqwala kuyingxenye ebalulekile yenqubo yokuqeda ukugqwala kwamapayipi. Njengamanje, kunezindlela eziningi zokususa ukugqwala, njengokususwa kokugqwala okwenziwa ngesandla, ukuqhunyiswa kwesihlabathi nokususwa kokugqwala kokugqwala, njll. Phakathi kwazo, ukususwa kokugqwala okwenziwa ngesandla, ukususwa kokugqwala ngomshini nokususwa kokugqwala kokudweba (amafutha okuxubha okulwa nokugqwala) kuvame ukugqwala. izindlela zokususa.

1. Ukunciphisa ngesandla

Susa isikali nesihlabathi sokuphonsa phezu kwamapayipi, izinto zokusebenza neziqukathi nge-scraper kanye nefayela, bese usebenzisa ibhulashi locingo ukuze ususe ukugqwala okuntantayo ebusweni bamapayipi, izinto zokusebenza neziqukathi, bese uzipholisha nge-sandpaper, futhi ekugcineni usule. nabo ngosilika kakotini. inetha.

2. Ukususwa kokugqwala ngomshini

Okokuqala sebenzisa i-scraper noma ifayela ukuze ususe isikali nokuphonsa isihlabathi ebusweni bepayipi; khona-ke umuntu oyedwa uphambi komshini wokuhlikihla kanti omunye ungemuva komshini wokuhlikihla, futhi ipayipi lehliswa ngokuphindaphindiwe emshinini wokwehlisa kuze kuvele umbala wangempela wensimbi; Ngaphambi kokugcoba, sula futhi ngosilika kakotini ukuze ususe umlotha ontantayo phezulu.

3. Amafutha ebhulashi elwa nokugqwala

Amapayipi, okokusebenza kanye nama-valves esiqukathi ngokuvamile aphikisana nokugqwala futhi agcotshwe ngokuhambisana nezidingo zokuklama. Uma kungekho sidingo sokuklama, imithethonqubo elandelayo kufanele ilandelwe:

a. Amapayipi abekwe phezulu, okokusebenza kanye neziqukathi kumele kuqala kupendwe ngejazi elilodwa likapende ovimbela ukugqwala, bese kuthi amajazi amabili amajazi aphezulu apendwe ngaphambi kokunikezelwa. Uma kunezidingo zokulondoloza ukushisa kanye ne-anti-condensation, amajazi amabili opende wokugqwala kufanele apendwe;

b. Penda amajazi amabili kapende ovimbela ukugqwala kumapayipi afihliwe, izinto zokusebenza neziqukathi. Ijazi lesibili lepeyinti ephikisana nokugqwala kufanele lidwetshwe ngemuva kokuba ijazi lokuqala lome ngokuphelele, futhi ukuhambisana kwepende lokulwa nokugqwala kufanele kube ngokufanele;

3. Lapho ipayipi eligqitshiwe lisetshenziswa njengongqimba olunqanda ukugqwala, uma lakhiwe ebusika, kutuswa ukusebenzisa uwoyela we-solvent yenjoloba noma uphethiloli wendiza ukuze kuncibilikiswe itiyela likaphethiloli elingu-30 A noma 30 B. Izinhlobo ezimbili:

① Ukuxubha mathupha: ukuxubha okwenziwa ngesandla kufanele kusetshenziswe izendlalelo, futhi isendlalelo ngasinye kufanele siphindaphindeke, sinqanyuzwe, futhi okokunamathela kufanele kugcinwe kumfaniswano ngaphandle kokulahlekelwa noma ukuwa;

② Ukufafaza ngomshini: Ukugeleza kopende okufuthiwe kufanele kuhambisane nendawo ependiwe ngesikhathi sokufafaza. Lapho indawo ependiwe iyisicaba, ibanga phakathi kombhobho nendawo ependiwe kufanele libe ngu-250-350mm. Uma indawo ependiwe iyindawo ye-arc, ibanga phakathi kombhobho nendawo ependiwe kufanele ibe ngu-400mm. , Uma ufutha, ukunyakaza kwe-nozzle kufanele kube okufanayo, isivinini kufanele sigcinwe ku-10-18m / min, futhi ukucindezela komoya okucindezelwe okusetshenziselwa ukufafaza upende kufanele kube ngu-0.2-0.4MPa.