Kwanan Wata:4,Jul,2022
Wasu masana'antu wurare dabam dabam kayan aiki na dogon lokaci a cikin 900 ℃-1100 ℃ zazzabi yanayin aiki, refractory kayan a wannan zafin jiki da wuya a cimma yumbu sintering jihar, tsanani shafi yi na refractory kayan, sodium hexametaphosphate a refractory castable, fesa a cikin zartarwa. aikin da fa'idar ne barga mai kyau matsawa ƙarfi da kuma sa juriya da thermal girgiza juriya, A abu da taimaka wajen ƙarfafa dauri tsarin na refractories, kyale powdery ko granular refractories zuwa bond tare don nuna isasshen ƙarfi.
A cikin dogon tasowa sake zagayowar kayan aiki, tukunyar jirgi, misali, saboda kona particulate fluidization gudu, high zafin jiki na makera rufi refractory yana da karfi yashwa, lalacewa, musamman a yankunan kamar tukunyar jirgi konewa jam'iyya da cyclone SEPARATOR karkashin hatsi, iska ya kwarara da kuma shan taba matsakaici lalacewa da thermal girgiza sakamako, kai ga refractory rufi yashwa, lalacewa, peeling kashe da rushewa, Yana da tsanani rinjayar al'ada aiki da kuma samar da tukunyar jirgi.
Sabili da haka, ya zama dole don haɓaka sabon nau'in ɗaure tare da tsayayyar zafin jiki mai ƙarfi, juriya na yashwa, juriya juriya da juriya na thermal don haɓaka aikin kayan haɓakawa.
Sodium hexametaphosphate yana da abũbuwan amfãni a cikin aikace-aikace na refractory castable, fesa filler, ta hanyar da selection na abun da ke ciki rabo da kuma shirye-shirye sigogi sigogi, da dauri ne mai dakatarwa da watsawa tsarin da tsaka tsaki pH darajar, ba kawai karfi mannewa da kuma wadanda ba lalatattu ga karfe. matrix, high zafin jiki juriya da kuma wadanda ba inorganic ɗaure aikace-aikace zazzabi kewayon ne fadi. Sodium hexametaphosphate ana sanya shi hydrolyzed zuwa sodium dihydrogen phosphate (NaH2PO4) lokacin da aka yi amfani da shi azaman ɗaure a cikin simintin jujjuyawa da filler.
NaH2PO4 da alkaline earth oxides, irin su magnesia, na iya amsawa a dakin da zafin jiki don samar da Mg (H2PO4) 2 da MgHPO4, wanda za'a iya sanya shi cikin magnesium phosphate [Mg (PO3) 2] N da [Mg2 (P2O7)] N bi da bi. ta dumama a kusan 500 ℃. Ƙarfin haɗin yana ƙara inganta. Yana da babban ƙarfi akan kewayon zafin jiki mai faɗi (har zuwa 800 ℃) kafin sake fitowar lokacin ruwa.
Sodium hexametaphosphate ana amfani dashi galibi azaman abin ɗaure don magnesia da magnesia chrome tubalin da ba'a kora ba, siminti da kayan aikin harbi na asali. A cikin shirye-shiryen castable, ya kamata a zaɓi maida hankali na maganin ruwa mai ruwa 25% ~ 30% ya dace, kuma adadin ƙari shine gabaɗaya 8% ~ 18%. A karkashin yanayin tabbatar da aikin haɗin gwiwar, ya kamata a yi amfani da shi kadan kamar yadda zai yiwu don tabbatar da yawan zafin jiki na kayan aiki. Coagulant na iya zama siminti aluminate ko wasu kayan da ke ɗauke da calcium.
Abubuwan da ke da alaƙa suna da mahimmancin kayan mahimmanci don ƙarfe da ƙarfe, kayan gini, ƙarfe mara ƙarfe, petrochemical, injiniyoyi, wutar lantarki, kariyar muhalli da sauran masana'antu masu zafi. Sodium hexametaphosphate daure shi ma wani makawa muhimmanci abu ga daban-daban high-zafi masana'antu thermal tanderu da kayan aiki.
Lokacin aikawa: Jul-05-2022
