M'magawo monga sayansi ya zinthu, kafukufuku wa mankhwala, uinjiniya wa mankhwala, ndi kukonza chakudya, kneader ndi chida chofunikira kwambiri chogwirira ntchito zinthu zamadzimadzi zomwe sizili za Newtonian. Kudzera mu kuduladula kwambiri, kufinya, ndi kupindika, imakwaniritsa kusakaniza, kufalitsa, kupanga pulasitiki, ndi momwe zinthuzo zimachitikira. Pa kafukufuku wa labotale, kusankha mtundu woyenera wa kneader ndikofunikira kwambiri. Pakadali pano, kneader yopangira ma labotale imagawidwa m'magulu awiri: yoyima ndi yopingasa . Nkhaniyi ifufuza mozama kusiyana kwa kapangidwe kake, mfundo zogwirira ntchito, ndi momwe mungagwiritsire ntchito mitundu yonse iwiri, ndikusanthula momwe mungasankhire mwanzeru pakati pa opanga kneader oyima .
I. Kusiyana kwa Kapangidwe ka Pakati ndi Mfundo Zogwirira Ntchito
1. Zokanda Zopingasa: Masewera Akale a "Double-Blade"
Zipangizo zolumikizira zopingasa ndizofala kwambiri m'mafakitale ndi m'ma laboratories. Mbali yawo yaikulu ndi chidebe chozungulira chooneka ngati W kapena U chokhala ndi masamba awiri osakanikirana ngati Z (mtundu wa Sigma) kapena tangential.
- Njira Yoyendera : Masamba awiriwa amazungulirana mosiyanasiyana pa liwiro losiyana (nthawi zambiri chiŵerengero cha 1:1.5 kapena 1:2), zomwe zimapangitsa mphamvu zolimba zodula. Zipangizozo zimafinyidwa, kung'ambika, ndikupindidwa mobwerezabwereza pakati pa masamba ndi pakati pa masamba ndi makoma a chimbudzi.
- Ubwino : Kusakaniza bwino kwambiri, zomwe zimapangitsa kuti zikhale zoyenera kwambiri pakusakaniza mozama komanso pulasitiki ya zinthu zokhuthala kwambiri. Chifukwa cha mphamvu yokoka, zinthuzo zimakhazikika pansi mwachilengedwe, zomwe zimapangitsa kuti zikhale ndi malo ambiri olumikizirana komanso kutentha bwino (nthawi zambiri zimakhala ndi jekete lotenthetsera/kuzizira).
- Zoletsa : Pazinthu zochepa kwambiri (monga magalamu ochepa kapena magalamu makumi), kapangidwe kopingasa kangakhale ndi "malo akufa" pomwe zinthu zimasonkhana kumapeto kwa mipata ya masamba ndipo sizimayenda bwino. Kuphatikiza apo, kutulutsa zinthu zomata kwambiri kungafunike thandizo lamanja kapena njira yoyeretsera ya hydraulic, yomwe ingakhale yovuta pang'ono pa ntchito zazing'ono za labotale.
2. Ogwira Ma Kneader Oyimirira: Luso la "Spiral" la Malo Oyimirira
Zipangizo zokulungira zoyimirira zatchuka kwambiri m'ma laboratories apamwamba komanso kafukufuku wa njira zofufuzira ndi chitukuko m'zaka zaposachedwa. Chidebe chawo chimayikidwa moyimirira, ndipo shaft yosakaniza imapita pansi.
- Njira Yoyendetsera : Nthawi zambiri amagwiritsa ntchito kapangidwe ka shaft imodzi kapena shaft yambiri. Kapangidwe kofala kamakhala ndi chosakaniza chokokera khoma chothamanga pang'ono (Anchor kapena Helical ribbon) chophatikizidwa ndi disk yogawanitsa yachangu kwambiri kapena mutu wosakaniza mapulaneti. Chokokeracho chimazungulira pafupi ndi khoma la trough, ndikukankhira zinthu kuchokera m'mbali kupita pakati, pomwe mutu wothamanga kwambiri umachita kufalikira kwakukulu pakati. Mitundu ina yoyima yapamwamba imakhala ndi "kuyenda kwa mapulaneti," komwe mutu wosakaniza umazungulira pa axis yake pomwe nthawi yomweyo ukuzungulira axis yapakati.
- Ubwino:
- Kusakaniza Kopanda Malo Opanda Dead : Kapangidwe koyima ndi kapangidwe kokanda khoma zimaonetsetsa kuti zinthu zonse zomwe zili mumtsuko (ngakhale kuchuluka kwa mamiligalamu) zimagwira ntchito yozungulira, zomwe zimapangitsa kuti zikhale zoyenera kufufuza ndi kukonza zitsanzo.
- Kutsegula ndi Kutsitsa Kosavuta : Kutsegula pamwamba n'kosavuta, ndipo pansi nthawi zambiri pamakhala chonyamulira kapena valavu ya pansi, zomwe zimathandiza kuti madzi azituluka bwino komanso kuchepetsa chiopsezo cha kuipitsidwa ndi zinthu zina.
- Chigawo Chaching'ono : Kapangidwe koyima kamasunga malo ofunika kwambiri pa benchi la labotale.
- Zoletsa : Ponena za kuthekera kwa pulasitiki pazinthu zokhuthala kwambiri (monga mankhwala a rabara), mitundu yachikhalidwe yoyima ya single-shaft ikhoza kukhala yocheperako pang'ono poyerekeza ndi mitundu yolemera yopingasa ya double blade, ngakhale kuti zokulungira zamakono za dual-shaft vertical kneaders zachepetsa kwambiri kusiyana kumeneku.
II. Njira Zosankhira Zochitika za Labu
Posankha pakati pa mitundu yoyima ndi yopingasa, ofufuza ayenera kuganizira makamaka magawo atatu awa:
Kukhuthala kwa Zinthu ndi Makhalidwe :
- Pa zinthu zokhuthala kwambiri (monga mphira wa silicone, zomatira zotentha, mabatire) zokhala ndi kukula kopitilira 500g, zokanda zopingasa nthawi zambiri zimakhala ndi mphamvu zolimba zometa ndi pulasitiki.
- Pa zinthu zokhuthala zapakati mpaka zapamwamba , kapena machitidwe okhudzana ndi kusakaniza ufa ndi madzi zomwe zimafuna kufalikira mwachangu, zokanda zoyimirira zimakhala zogwira mtima kwambiri ndipo zimathandiza kuti njira yosakaniza isanthule mosavuta.
Kukula kwa Gulu Loyesera :
- Kufufuza ndi Kukonza Zinthu Motsatira (<200g) : Makina osokera olunjika amalimbikitsidwa kwambiri. Ma model olunjika nthawi zambiri amavutika ndi kusakaniza kofanana pamlingo wochepa, pomwe kapangidwe ka mayunitsi olunjika kamathandizira kuti agwirizane bwino ngakhale pamlingo wochepa.
- Kutsimikizira Sikelo Yoyendetsa (500g - 5L) : Mitundu yonse iwiri ndi yothandiza. Ngati cholinga chake ndikukula mwachindunji kupanga mafakitale (omwe nthawi zambiri amagwiritsa ntchito makina opingasa), kugwiritsa ntchito chitsanzo chopingasa mu labu kumathandiza kulumikizana kwa deta. Komabe, ngati kusinthasintha kwa magwiridwe antchito ndi kuyeretsa kosavuta kuli patsogolo, mitundu yoyima ndi yabwino kwambiri.
Kuyeretsa ndi Kusamalira :
- Ma laboratories nthawi zambiri amafunika kusintha ma formula pafupipafupi. Makina odulira oimirira nthawi zambiri amakhala ndi ma driving otumphukira kapena ntchito zonyamula zokha, zomwe zimapangitsa kuyeretsa kukhala kosavuta kwambiri; nthawi zina, driving imatha kusinthidwa kwathunthu kuti idumphe masitepe oyeretsera. Ngakhale kuti ma model opingasa alinso ndi mapangidwe opendekera, kuyeretsa mipata pakati pa masamba mu lab yaying'ono nthawi zambiri kumatenga nthawi yambiri.
III. Kudziwa za Msika: Momwe Mungasankhire Wopanga Kneader Wapamwamba Kwambiri
Popeza kafukufuku ndi chitukuko chatsopano cha zinthu zatsopano zayamba, opanga ambiri omwe amagwira ntchito yopangira zida zapamwamba kwambiri za labotale aonekera ku China. Pofunafuna opanga makina odulira , ogwiritsa ntchito sayenera kungoyang'ana pamtengo wokha komanso kuwunikanso luso lawo lopanga zinthu zatsopano.
Zofunikira Zowunikira
- Ukadaulo Wotsekera : Zipangizo zokhuthala kwambiri zimatha kutuluka mosavuta zikagwiritsidwa ntchito posakaniza mwachangu. Opanga makina abwino kwambiri owuma nthawi zambiri amakhala ndi zomatira zamakanika kapena zomatira zamagesi kuti atsimikizire kuti palibe ufa kapena madzi omwe amatuluka pansi pa vacuum.
- Kuwongolera Kutentha Molondola : Mayankho ambiri amakhudzidwa ndi kutentha. Opanga apamwamba kwambiri amapanga njira zoyendetsera jekete zopangidwa mwasayansi. Pogwirizanitsidwa ndi makina owongolera kutentha a PID olondola kwambiri, kusinthasintha kwa kutentha kumatha kusungidwa mkati mwa ±1°C.
- Zipangizo ndi Kupukuta : Zipangizo za mu labotale nthawi zambiri zimagwira ntchito ndi zinthu zowononga kapena zoyera kwambiri. Kaya wopanga amapereka njira monga chitsulo chosapanga dzimbiri cha 316L, Hastelloy, kapena zophimba zadothi, komanso ngati khoma lamkati limapukuta galasi (Ra<0.4μm) kuti lisapachike zinthu, ndi zizindikiro zazikulu za ubwino.
- Mlingo wa Luntha : Ma laboratories amakono amafuna kutsata deta. Zipangizo zokhala ndi zowongolera pazenera logwira, kulemba deta, ndi luso lowunikira patali ndizoyenera.
Magulu Oyimira Makampani
Ngakhale mndandanda wa opanga enaake umasintha malinga ndi momwe msika umayendera, pofufuza ndi kuwunika, munthu ayenera kuyang'ana kwambiri makampani omwe akhalapo kwa nthawi yayitali ku Yangtze River Delta (monga Shanghai, Wuxi, Changzhou ku Jiangsu) ndi Pearl River Delta (monga Guangzhou, Shenzhen). Opanga makina odulira zitsulo m'madera amenewa nthawi zambiri amagwiritsa ntchito maunyolo opangira makina okhwima kuti apereke zinthu zosiyanasiyana kuyambira pa micro-scale (50ml) mpaka pilot-scale (50L).
Mwachitsanzo, opanga makina odulira odziwika bwino apeza kafukufuku wochuluka m'magawo monga kusakaniza kwa batri, kusakaniza zodzoladzola, ndi kuphatikiza mankhwala. Popereka upangiri, ogwiritsa ntchito amatha kupempha zinthu monga "makina odulira okhazikika okhala ndi ntchito zochotsa mpweya m'malo otayira mpweya" kapena "makina odulira okhazikika omwe saphulika" kuti ayesere liwiro la makina odulira komanso ukatswiri waukadaulo wa wopanga. Kuphatikiza apo, kuwona ngati wopanga ali ndi labotale yodziyimira payokha yoyesera makasitomala ndi muyezo wofunikira poyesa chidaliro chawo komanso kuzindikira kwawo ntchito.
Wuxi Maxwell wakhala akugwira ntchito kwambiri mumakampani osakaniza ndi kusakaniza kwa zaka zambiri ndipo ali ndi luso lochuluka pankhaniyi. Ngati mukufuna kudziwa zambiri, chonde musazengereze kufunsa mwachindunji.
IV. Mapeto
Palibe kupambana kwakukulu pakati pa makina odulira oimirira ndi opingasa; kusiyana kuli kokha mu "koyenera" poyerekeza ndi "kosayenera." Makina odulira opingasa amalamulira kukonza zipangizo zambiri zokhuthala chifukwa cha mphamvu zawo zoduladula ndi pulasitiki, pomwe makina odulira oimirira akhala otchuka kwambiri m'ma laboratories amakono chifukwa cha kusakaniza kwawo kopanda malo, kusavuta kugwira ntchito, komanso ubwino wosunga malo.
Kwa ofufuza, kumvetsetsa makhalidwe a zipangizo zawo ndi gawo loyamba posankha. Mu gawo logula zida, kufufuza bwino mphamvu zaukadaulo, ntchito yogulitsa pambuyo pogulitsa, ndi mbiri ya
makampani opanga makina odulira zitsulo kudzatsimikizira mwachindunji kulondola kwa deta yoyesera komanso magwiridwe antchito a kafukufuku ndi chitukuko. Panjira yamtsogolo yakupanga zinthu zatsopano, makina odulira zitsulo nthawi zambiri amakhala othandizira kwambiri pakuthana ndi zopinga zopangira.