Na farko, ka'idar hadawa
Ta hanyar motsa ruwan wukake da firam ɗin juyawa don jujjuya juna, ana haifar da dakatarwar injin ɗin kuma ana kiyaye shi, kuma ana haɓaka canjin taro tsakanin ruwa da ƙaƙƙarfan matakai. Rikicin ruwa mai ƙarfi yakan kasu zuwa sassa masu zuwa: (1) dakatar da tsayayyen barbashi; (2) sake dawo da barbashi da aka daidaita; (3) kutsawar barbashi da aka dakatar cikin ruwa; (4) amfani tsakanin barbashi da tsakanin barbashi da paddles Ƙarfin yana haifar da agglomerates barbashi don tarwatsa ko sarrafa girman barbashi; (5) yawan canja wuri tsakanin ruwa da m.
Na biyu, tasirin motsa jiki
Tsarin haɓakawa a zahiri yana haɗuwa da sassa daban-daban a cikin slurry tare a cikin daidaitaccen rabo don shirya slurry don sauƙaƙe sutura iri ɗaya da tabbatar da daidaiton guntun sandar. Sinadaran gabaɗaya sun ƙunshi matakai guda biyar, wato: pretreatment, blending, wetting, dissperation and flocculation na raw kayan.
Na uku, sigogin slurry
1, dankowa:
An bayyana juriya na ruwa zuwa magudanar ruwa a matsayin adadin damuwa da ake buƙata a kowane jirgin sama na 25 px 2 lokacin da ruwa ke gudana a cikin adadin 25 px/s, wanda ake kira dankon kinematic, a cikin Pa.s.
Dankowa dukiya ce ta ruwaye. Lokacin da ruwa ke gudana a cikin bututun, akwai jihohi uku na kwararar laminar, kwararar tsaka-tsaki, da kwararar tashin hankali. Wadannan jihohin guda uku ma suna cikin kayan motsa jiki, kuma daya daga cikin manyan ma'aunin da ke tantance wadannan jihohin shine dankowar ruwan.
A lokacin aikin motsa jiki, ana la'akari da cewa danko bai wuce 5 Pa.s ba shine ƙananan danko mai ruwa, kamar: ruwa, man castor, sugar, jam, zuma, mai mai mai, ƙananan danko emulsion, da dai sauransu; 5-50 Pas ruwa ne mai matsakaicin danko Misali: tawada, man goge baki, da sauransu; 50-500 pa Fiye da Pa 500 sune ƙarin magudanun ruwa masu ɗanɗano kamar: cakuda roba, narkewar filastik, Silicon Organic da sauransu.
2, girman barbashi D50:
The size kewayon da barbashi size na 50% by ƙarar barbashi a cikin slurry
3, m abun ciki:
Kashi na m kwayoyin halitta a cikin slurry, theoretical rabo na m abun ciki ne kasa da m abun ciki na kaya.
Na hudu, ma'aunin tasirin gauraye
Hanya don gano daidaiton haɗawa da gaurayawan tsarin dakatarwar ruwa mai ƙarfi:
1, auna kai tsaye
1) Hanyar danko: samfurin daga wurare daban-daban na tsarin, auna ma'auni na slurry tare da viscometer; ƙarami da karkacewa, da ƙarin uniform da hadawa;
2) Hanyar barbashi:
A, samfuri daga wurare daban-daban na tsarin, ta yin amfani da ɓangarorin girman ɓangarorin don lura da girman barbashi na slurry; mafi kusanci girman barbashi shine girman ɗanyen foda, mafi yawan haɗuwa da uniform;
B, samfuri daga wurare daban-daban na tsarin, ta amfani da ma'auni na girman nau'in nau'in nau'i na laser don lura da girman ƙwayar slurry; mafi al'ada da barbashi size rarraba, da karami da ya fi girma barbashi, da karin uniform da hadawa;
3) Specific gravity Hanyar: samfurin daga daban-daban matsayi na tsarin, aunawa da yawa daga cikin slurry, da karami da sabawa, da karin uniform da hadawa.
2. Auna kai tsaye
1) Hanyar abun ciki mai ƙarfi (macroscopic): Samfurori daga wurare daban-daban na tsarin, bayan da ya dace da zafin jiki da kuma lokacin yin burodi, auna ma'auni na sashi mai ƙarfi, ƙarami da ƙetare, mafi yawan daidaituwa da haɗuwa;
2) SEM / EPMA (microscopic): samfurin daga wurare daban-daban na tsarin, yi amfani da substrate, bushe, da kuma lura da barbashi ko abubuwa a cikin fim din bayan bushewar slurry ta SEM (microscope na lantarki) / EPMA (binciken lantarki) Rarraba ; (System daskararru yawanci madugu kayan)
Biyar, tsari mai motsawa na anode
Baƙar fata mai ɗaukar nauyi: Ana amfani da shi azaman wakili mai ɗaukuwa. Aiki: Haɗa manyan ɓangarorin abu masu aiki don yin aiki mai kyau.
Copolymer latex - SBR (styrene butadiene roba): ana amfani dashi azaman ɗaure. Sunan sinadarai: Styrene-Butadiene copolymer latex (polystyrene butadiene latex), latex mai narkewa ruwa, m abun ciki 48 ~ 50%, PH 4 ~ 7, daskarewa batu -5 ~ 0 °C, tafasar batu game da 100 °C, ajiya zazzabi 5 ~ 35 ° C. SBR ne anionic polymer watsawa tare da mai kyau inji kwanciyar hankali da kuma operability, kuma yana da wani high bond ƙarfi.
Sodium carboxymethyl cellulose (CMC) - (carboxymethyl cellulose sodium): amfani a matsayin thickener da stabilizer. Bayyanar fari ko rawaya floc fiber foda ko farin foda, wari, mara daɗi, mara guba; mai narkewa a cikin ruwan sanyi ko ruwan zafi, samar da gel, maganin shine tsaka tsaki ko dan kadan alkaline, wanda ba zai iya narkewa a cikin ethanol, ether, Mai narkewa mai narkewa kamar isopropyl barasa ko acetone yana narkewa a cikin 60% na ruwa mai ruwa na ethanol ko acetone. Yana da hygroscopic, barga zuwa haske da zafi, danko yana raguwa tare da ƙara yawan zafin jiki, maganin yana da kwanciyar hankali a pH 2 zuwa 10, PH yana ƙasa da 2, daskararru suna haɓaka, kuma pH ya fi girma fiye da 10. Canjin launi ya kasance 227 ° C, da carbonization zafin jiki ne 252 ° C, da kuma surface tashin hankali na 2% ruwa bayani ne 71 nm/n.
A anode stirring da shafi tsari ne kamar haka:
Na shida, cathode stirring tsari
Baƙar fata mai ɗaukar nauyi: Ana amfani da shi azaman wakili mai ɗaukuwa. Aiki: Haɗa manyan ɓangarorin abu masu aiki don yin aiki mai kyau.
NMP (N-methylpyrrolidone): ana amfani da shi azaman ƙarfi mai motsawa. Sunan sinadarai: N-Methyl-2-polyrrolidone, tsarin kwayoyin halitta: C5H9NO. N-methylpyrrolidone wani ruwa ne mai kamshin ammonia dan kadan wanda ba zai iya misaltuwa da ruwa ta kowane bangare ba kuma kusan gaba daya an hade shi da dukkan abubuwan da ake kashewa (ethanol, acetaldehyde, ketone, aromatic hydrocarbon, da sauransu). A tafasar batu na 204 ° C, wani flash batu na 95 ° C. NMP ne mai iyakacin duniya aprotic sauran ƙarfi da low yawan guba, high tafasar batu, m solubility, selectivity da kwanciyar hankali. An yi amfani da shi sosai a cikin hakar aromatics; tsarkakewa na acetylene, olefins, diolefins. Abubuwan da ake amfani da su don polymer da matsakaici don polymerization ana amfani da su a halin yanzu a cikin kamfaninmu don NMP-002-02, tare da tsabta> 99.8%, ƙayyadaddun nauyi na 1.025 ~ 1.040, da abun ciki na ruwa na <0.005% (500ppm) ).
PVDF (polyvinylidene fluoride): ana amfani dashi azaman mai kauri da ɗaure. Farar lu'u-lu'u lu'u-lu'u tare da ƙarancin dangi na 1.75 zuwa 1.78. Yana da kyakkyawan juriya na UV da juriya na yanayi, kuma fim ɗinsa ba shi da wahala kuma ba ya fashe bayan an sanya shi a waje tsawon shekaru ɗaya ko biyu. Dielectric Properties na polyvinylidene fluoride ne musamman, da dielectric akai-akai ne kamar yadda high as 6-8 (MHz ~ 60Hz), da dielectric asarar tangent ne ma babba, game da 0.02 ~ 0.2, da girma juriya ne dan kadan m, wanda shi ne 2. ×1014ΩNaN. Yawan zafin jiki na amfani da shi na tsawon lokaci shine -40 ° C ~ + 150 ° C, a cikin wannan yanayin zafin jiki, polymer yana da kyawawan kaddarorin inji. Yana da zafin canjin gilashin -39 ° C, zafin jiki na -62 ° C ko ƙasa da haka, wurin narkewar crystal na kusan 170 ° C, da zafin bazuwar thermal na 316 ° C ko fiye.
Cathode stirring da shafi tsari:
7. Danko halaye na slurry
1. Curve na slurry danko tare da lokacin motsawa
Yayin da aka tsawaita lokacin motsawa, danko na slurry yakan zama darajar barga ba tare da canzawa ba (ana iya cewa slurry an tarwatsa shi daidai).
2. Curve na slurry danko tare da zazzabi
Mafi girman zafin jiki, ƙananan danko na slurry, kuma danko yana kula da ƙimar tsayayye lokacin da ya kai wani zazzabi.
3. Curve na m abun ciki na canja wurin tanki slurry tare da lokaci
Bayan da slurry aka zuga, shi ne piped zuwa canja wurin tanki domin Coater shafi. Ana motsa tankin canja wuri don juyawa: 25Hz (740RPM), juyin juya hali: 35Hz (35RPM) don tabbatar da cewa sigogi na slurry sun kasance masu karko kuma ba za su canza ba, gami da ɓangaren litattafan almara. Zazzabi na kayan abu, danko da ƙaƙƙarfan abun ciki don tabbatar da daidaituwar suturar slurry.
4, dankowar slurry tare da karkatar lokaci
Lokacin aikawa: Oktoba-28-2019