Tsarin sinadaran: Na5P3O10
Nauyin Kwayoyin: 367.86
Properties: Farin foda ko granules, sauƙi mai narkewa cikin ruwa. Dangane da aikace-aikacen da buƙatun aiki, zamu iya samar da samfuran ƙayyadaddun ƙayyadaddun bayanai daban-daban kamar nau'ikan bayyane daban-daban (0.5-0.9g / cm3), solubilities daban-daban (10g, 20g / 100ml ruwa), nan take sodium tripolyphosphate, babban-barbashi sodium tripolyphosphate. da dai sauransu.
Amfani:
1.A cikin masana'antar abinci, ana amfani da shi galibi azaman ingantaccen ingantaccen abinci na gwangwani, samfuran kiwo, ruwan 'ya'yan itace abin sha da madara soya; mai kula da ruwa da mai tausasa kayan nama kamar naman naman alade da naman abincin rana; yana iya riƙe ruwa, taushi, faɗaɗa da bleach a cikin sarrafa samfuran ruwa; yana iya tausasa fatar faffadan wake a cikin faffadan wake; Hakanan za'a iya amfani dashi azaman mai laushi na ruwa, wakili na chelating, PH regulator da thickener, da kuma a cikin masana'antar giya.
2. A cikin masana'antu filin, shi ne yadu amfani da wanka a matsayin karin wakili, sabulu synergist da kuma hana mashaya sabulu daga crystallizing da blooming, masana'antu ruwa softener, fata pretanning wakili, dyeing karin, man rijiyar laka kula wakili, man gurbatawa rigakafin. wakili don yin takarda, mai rarraba mai tasiri don maganin dakatarwa kamar fenti, kaolin, magnesium oxide, calcium carbonate, da dai sauransu, da yumbu degumming wakili da ruwa mai rage ruwa a cikin yumbu masana'antu.
Hanyar shiri na gargajiya na sodium polyphosphate shine don kawar da acid phosphoric mai zafi tare da babban juzu'i na 75% H3PO4 tare da dakatarwar soda ash don samun slurry mai narkewa tare da rabon Na / P na 5: 3, kuma kiyaye shi dumi a 70 ℃ ~ 90 ℃; sannan a fesa slurry da aka samu a cikin tanderun polymerization don bushewa a yanayin zafi mai yawa, sannan a sanya shi cikin sodium tripolyphosphate a kusan 400 ℃. Wannan hanyar al'ada ba kawai tana buƙatar tsada mai zafi phosphoric acid ba, amma har ma yana cinye makamashi mai yawa; Bugu da ƙari, lokacin shirya slurry ta hanyar neutralization, wajibi ne don zafi da cire CO2, kuma tsarin yana da rikitarwa. Ko da yake ana iya amfani da sinadarin phosphoric acid mai tsafta don maye gurbin hot phosphoric acid don samar da sodium tripolyphosphate, saboda babban abun ciki na ƙarfe na ƙarfe a cikin rigar phosphoric acid, yana da wahala a cika buƙatun ingancin samfuran sodium tripolyphosphate na yanzu, kuma yana da ma. da wahala a cika ma'aunin da aka kayyade a ma'auni na ƙasa.
A halin yanzu, mutane sun yi nazarin wasu sababbin hanyoyin samar da sodium tripolyphosphate, kamar aikace-aikacen patent na kasar Sin No. 94110486.9 "Hanyar samar da sodium tripolyphosphate", No. 200310105368.6 "Sabon tsari don samar da sodium tripolyphosphate", No. 200410040357 "Hanyar A. don samar da sodium tripolyphosphate ta bushe-rigar m Hanyar", No. 200510020871.0 "Hanya don samar da sodium tripolyphosphate ta hanyar Glauber gishiri sau biyu bazuwar hanya", 200810197998.3 "Hanya don samar da sodium tripolyphosphate da ta hanyar samar da ammonium chloride", da dai sauransu; ko da yake wadannan fasaha mafita suna da nasu halaye, mafi yawansu su ne don canja neutralization albarkatun kasa.
Hanyar samar da sodium tripolyphosphate ta amfani da danyen sodium pyrophosphate
Danyen sodium pyrophosphate ya fara shiga cikin tankin wanke gishiri don cire yawancin sodium chloride, sannan ya shiga faranti da firam ɗin tacewa don tacewa na farko. Kek ɗin tacewa ya ƙunshi babban adadin sodium pyrophosphate, kuma yawan taro na sodium chloride bai wuce 2.5%. Sa'an nan, bayani yana mai tsanani zuwa 85 ° C a cikin tanki mai narkewa tare da tururi don motsawa da narkewa. Ana ƙara sodium sulfide yayin narkewa don cire ions ƙarfe. Abubuwan da ba a iya narkewa sune ƙazanta irin su jan ƙarfe hydroxide. Ana sake tacewa a karo na biyu. Filtrate shine maganin sodium pyrophosphate. Ana ƙara carbon da aka kunna zuwa tacewa don cire pigments, ana ƙara phosphoric acid zuwa acidify da hanzarta rushewa, kuma a ƙarshe an ƙara alkali mai ruwa don daidaita ƙimar pH zuwa 7.5-8.5 don shirya ruwa mai tsabta.
Ana amfani da wani ɓangare na ruwa mai ladabi kai tsaye a cikin sashin shirye-shiryen ruwa na sodium tripolyphosphate neutralization, kuma ɗayan ɓangaren ruwa mai ladabi ana zuga shi a cikin DTB crystallizer. Ruwan da aka tace a cikin DTB crystallizer ana sanyaya shi a cikin mai musanya zafi ta hanyar bututun watsawa ta tilastawa da ruwa 5°C da mai sanyaya ya aika. Lokacin da zafin bayani ya faɗi zuwa 15 ° C, ana yin crystallized zuwa cikin flocs sannan a kai shi zuwa babban tanki kuma a sanya shi a cikin centrifuge don rabuwa na centrifugal don samun lu'ulu'u na sodium pyrophosphate. Ana ƙara lu'ulu'u na sodium pyrophosphate zuwa sashin shirye-shiryen ruwa na neutralization a cikin tsarin samar da sodium tripolyphosphate kuma an haɗe shi da phosphoric acid da ruwa mai caustic soda don shirya ruwa mai tsaka tsaki a matsayin albarkatun kasa don samar da sodium tripolyphosphate. Ana mayar da brine da aka ambata a sama don wanke danyen sodium pyrophosphate; lokacin da abun ciki na sodium chloride a cikin brine ya kai jikewa, ana zubar da brine a cikin tanki mai buffer, kuma brine a cikin tankin buffer ana zub da shi a cikin jaket ɗin gas ɗin wutsiya na sodium tripolyphosphate don musanya zafi tare da iskar gas mai zafi mai zafi. Brine bayan musayar zafi yana komawa zuwa tankin buffer don fesa ƙanƙara.
Tuntuɓar:
Abubuwan da aka bayar na Beijing Shipuller Co., Ltd
WhatsApp: +86 18311006102
Yanar Gizo: https://www.yumartfood.com/
Lokacin aikawa: Nov-11-2024