Inkampani Shandong Weichuan Metal Prodducts Co., Ltd.

I-Anti corrosion kanye nomkhiqizi wamapayipi ensimbi oshisayo

Incazelo emfushane:

Izinga lokushisa eliphakeme elakhiwe ngokuqondile ligqitshwe ipayipi lokufakwa emshinini liwuhlobo lwepayipi lokufakelwa elakhiwe ngokuqondile eligqitshwayo elisebenza kahle, ukuphepha nokwethembeka kanye nezindleko eziphansi zephrojekthi.


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izici ze-insulation pipe

Izinga lokushisa eliphakeme elakhiwe ngokuqondile ligqitshwe ipayipi lokufakwa emshinini liwuhlobo lwepayipi lokufakelwa elakhiwe ngokuqondile eligqitshwayo elisebenza kahle, ukuphepha nokwethembeka kanye nezindleko eziphansi zephrojekthi. Ixazulula ngokuphumelelayo izinkinga zokufakelwa okushisayo, ukugcotshwa okushelelayo kanye nokungangeni kwamanzi kwepayipi elidaluliwe ekugcineni kwepayipi elakhiwe ngokuqondile elingcwatshwe ukushisa okushisayo ukuze kudluliselwe ukushisa okushisa okuphezulu ku-130 ℃ - 600 ℃ ekushisiseni okumaphakathi kwedolobha. Amazinga okushisa aphezulu afakwe ngaphambili agqitshwe ngokuqondile ipayipi lokufakelwa aligcini nje ngokuba nobuchwepheshe obuphambili nokusebenza okungokoqobo okungenakuqhathaniswa nomsele wendabuko kanye nepayipi elingaphezulu, kodwa futhi linezinzuzo eziphawulekayo kwezenhlalo nezomnotho. Futhi kuyisilinganiso esinamandla sokushisisa nokonga amandla. Amazinga okushisa aphezulu agqitshwe ngokuqondile agqitshwa ipayipi lokufaka ipayipi amukela ubuchwepheshe bepayipi lokufudumeza elingcwatshwe ngokuqondile, okubonisa ukuthi ukuthuthukiswa kobuchwepheshe bamapayipi okushisa eChina sekungene endaweni entsha yokuqala.?

Ipayipi lokufakwa ezishisayo lakhiwe ngepayipi lensimbi, igobolondo langaphakathi le-FRP kanye negobolondo le-FRP, elibonakala ngokuthi lihlanganisa nongqimba lwe-thermal ukumelana nokushisa okuphezulu, ungqimba lokugcoba kanye nophawu olunwebekayo. Imodeli yensiza ixazulula ngempumelelo izinkinga zokufakwa okushisayo, ukuthambisa okushelelayo kanye nokungangeni manzi kokuphela kwepayipi eliveziwe lepayipi elakhiwe ngokuqondile elingcwatshwe ukushisa okushisayo ukuze kudluliselwe ukushisa okuphezulu ku-130 ℃ - 600 ℃ ekushisiseni okumaphakathi kwedolobha.

Izinga lokushisa eliphezulu prefabricated ngqo wangcwatshwa ukwahlukanisa ipayipi ngokuyinhloko yakhiwa izingxenye ezine.

(1). Ipayipi lensimbi elisebenzayo: ngokuya ngezidingo zobuchwepheshe zokudlulisa okuphakathi, ipayipi lensimbi elingenamthungo, ipayipi lensimbi elinezinhlangothi ezimbili elingaphansi kwe-arc spiral welded steel liyamukelwa ngokulandelana.

(2). ungqimba lwe-insulation: i-polyurethane foam eqinile.

(3). Igobolondo elivikelayo: i-polyethylene ephezulu noma i-FRP.

(4). Ulayini we-alamu wokuvuza: lapho kukhiqizwa ipayipi lokufakwa kwezinga lokushisa eliphezulu eligqitshwe ngokuqondile, ulayini we-alamu ugqitshwa kungqimba lokufakelwa eduze kwepayipi lensimbi. Uma ukuvuza kwenzeka ndawana thize epayipini, i-alamu inganikezwa ethuluzini lokutholwa elikhethekile ngokuqhutshwa kwelayini ye-alamu, futhi indawo enembile kanye nezinga lokuvuza kungavezwa, ukuze kwazise abasebenzi bokulungisa ukuthi babhekane ne-alamu. ipayipi elivuzayo isigaba ngokushesha, Qinisekisa ukusebenza okuphephile kwenethiwekhi yokuhlinzeka ngokushisa.

High lokushisa prefabricated ngqo wangcwatshwa ukwahlukanisa ipayipi - izinzuzo kanye nezici

1. Yehlisa izindleko zephrojekthi.

Ngokwezibalo zeminyango efanele, ipayipi lokushisisa amapayipi akabili ngokuvamile linganciphisa izindleko zephrojekthi cishe ngama-25% (kusetshenziswa i-FRP njengongqimba oluvikelayo) kanye no-10% (kusetshenziswa i-polyethylene ephezulu kakhulu njengongqimba oluvikelayo).

2. Ukulahlekelwa ukushisa okuphansi nokonga amandla.

Ipayipi lensimbi elifakwe ngaphakathi liyisici esibalulekile esithinta ukonga amandla. Ukuthuthukiswa kanye nokusetshenziswa kwamapayipi ensimbi afakwe intulation sekudonse ukunakwa okwengeziwe emhlabeni wonke. Ngemuva kweminyaka yawo-1970, amazwe angaphandle ngokuvamile anaka ukukhiqizwa kanye nokusetshenziswa kwepayipi lensimbi elishisayo, futhi alwela ukunciphisa kakhulu ukusetshenziswa kwamandla, ukuze kuncishiswe ukungcoliswa kwemvelo kanye nomphumela we-greenhouse. Imboni yangaphandle ye-thermal insulation inomlando omude, futhi izinto ezintsha zokufakwa kwe-thermal zihlala zivela. Ngaphambi kuka-1980, ukuthuthukiswa kwepayipi lensimbi eshisayo e-China kwakuhamba kancane kakhulu. Izitshalo ezimbalwa zokufaka ukushisa okushisayo zingakhiqiza kuphela inani elincane lepayipi lensimbi eligqitshwe ngokuqondile elingaphansi komhlaba. Kodwa-ke, ngemva kweminyaka engaphezu kwengu-30 yemizamo, ikakhulukazi ngemva kweminyaka ecishe ibe ngu-10 yokuthuthuka ngokushesha, imikhiqizo eminingi iye yasetshenziswa kabanzi kusukela ekuqaleni, kusukela kokukodwa kuya kwehlukahlukene, kusukela ephansi kuya kwephezulu. I-polyurethane iyinto esetshenziswa kakhulu ekushiseni okushisayo emhlabeni. I-polyurethane eqinile inezinto eziningi ezinhle kakhulu futhi isetshenziswa kabanzi emkhakheni wokushisa okushisa eYurophu naseMelika. Cishe u-49% wezinto zokufakwa ezishisayo emazweni athuthukile njenge-Europe ne-United States ziyizinto ze-polyurethane, kanti e-China, le ngxenye ingaphansi kwama-20%. Ngakho-ke, ipayipi lensimbi le-polyurethane insulated isenayo indawo enkulu yokuthuthukiswa eChina.

Indlela yesakhiwo

1. Ipayipi yensimbi evikelayo yangaphandle: vikela ungqimba lwe-insulation ekugugulekeni kwamanzi angaphansi komhlaba, ukusekela ipayipi elisebenzayo futhi lingakwazi ukuthwala umthwalo othile wangaphandle ukuze uqinisekise ukusebenza okuvamile kwepayipi elisebenzayo.

2. I-anti corrosion coating: vikela ipayipi lensimbi elingaphandle ezintweni ezonakalisayo futhi welule impilo yesevisi yepayipi lensimbi.

3. Hudula isendlalelo sokunciphisa: qinisekisa ukunyakaza kwamahhala kokunwetshwa okushisayo kanye nokufinyela okubandayo kwepayipi lensimbi elisebenzayo.

I-4, i-polyurethane foam layer: qinisekisa izinga lokushisa le-medium, futhi uqinisekise ukuthi ubuso be-tube yangaphandle bugcinwa ekamelweni lokushisa.

5. Isithiyo nesibonisi: qinisekisa ukuthi igwebu lezinto eziphilayo alingeni ongqimbeni oluqinile lwe-inorganic kanye nokumelana nezinga lokushisa eliphezulu. Bonisa ingxenye yokushisa kwesendlalelo esimelana nokushisa okuphezulu.

6. Ipayipi lensimbi elisebenzayo: qinisekisa ukugeleza okujwayelekile kwendlela yokudlulisa.

7. Ungqimba oluqinile lwe-Inorganic: ukumelana nokushisa okuphezulu, qinisekisa izinga lokushisa eliphakathi kwe-organic insulation layer futhi uqinisekise ukuthi igwebu alifakwanga ngekhabhoni.


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