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Conical Twin Screw Extruder: Wehewehe ʻana i ke kaʻina hana huahana

A mea hoʻopuka wili māhoe conicalʻO ia ke ʻano o ka extruder wili māhoe nona nā wili ʻelua i hoʻonohonoho ʻia i ke ʻano conical, e pili ana i ka hopena hoʻokuʻu o ka extruder. Hāʻawi kēia hoʻolālā i ka hōʻemi mālie ʻana i ka nui o ke kahawai wili, e hopena ana i ka hoʻonui ʻia ʻana o ke kaomi a me ka hoʻomaikaʻi ʻana i ka hui ʻana. ʻO kahi extruder wili māhoe conical i haku nui ʻia me ka wili barela, ka ʻōnaehana hoʻoili kia, ka hānai nui, ka hoʻopau ʻana o ka vacuum, ka hoʻomehana, ka hoʻoluʻu a me nā ʻāpana kaohi uila.

He kūpono kahi extruder wili māhoe conical no ka hana ʻana i nā huahana PVC mai ka pauka i hui ʻia. He polymer thermoplastic ʻo PVC nona ka laulā o nā noi ma nā ʻoihana like ʻole, e like me ke kūkulu ʻana, ka hoʻopili ʻana, ka uila, ke kaʻa, a me ka lāʻau lapaʻau. Eia nō naʻe, ʻaʻole kūlike ka PVC me nā polymers a me nā mea hoʻohui ʻē aʻe he nui, a koi ʻia nā ʻano hana hana kūikawā e hoʻokō ai i nā waiwai a me ka hana i makemake ʻia. Hiki i kahi extruder wili māhoe conical ke hāʻawi i ka hui ʻana, ka hoʻoheheʻe ʻana, ka devolatilization, a me ka homogenization o PVC a me kāna mau mea hoʻohui i kahi ʻano hoʻomau a me ka pono.

He mea hana kūikawā nō hoʻi ka mea hoʻopuka ʻōwili māhoe conical no ka hoʻopuka ʻana i ka pauka WPC. ʻO WPC ke kū nei no ka composite lāʻau-plastic, ʻo ia kahi mea e hoʻohui i nā olonā lāʻau a i ʻole ka palaoa lāʻau me nā polymers thermoplastic, e like me PVC, PE, PP, a i ʻole PLA. Loaʻa iā WPC nā pono o ka lāʻau a me ka plastic, e like me ka ikaika kiʻekiʻe, ke kūpaʻa, ke kūʻē ʻana i ka wā, a me ka hiki ke hana hou ʻia. Hiki i kahi mea hoʻopuka ʻōwili māhoe conical ke hana i ka pauka WPC me ka hopena kiʻekiʻe, ka holo paʻa, a me ke ola lawelawe lōʻihi.

Me nā ʻano ʻano ʻano like ʻole a me nā lako hana ma lalo, hiki i kahi extruder wili māhoe conical ke hana i nā huahana PVC a me WPC like ʻole, e like me nā paipu, nā kaupaku, nā ʻaoʻao puka makani, ka pepa, ka papahele, a me nā granules. He ʻokoʻa nā ʻano, nā nui, a me nā hana o kēia mau huahana, a hiki ke hoʻokō i nā pono like ʻole o nā mea kūʻai aku a me nā mākeke.

Ka Wehewehe ʻana o ke Kaʻina Hana

Hiki ke hoʻokaʻawale ʻia ke kaʻina hana o ka extrusion wili māhoe conical i ʻehā mau pae nui: ka hānai ʻana, ka hoʻoheheʻe ʻana, ka devolatilization, a me ke ʻano.

Ka hānai ʻana

ʻO ke kahua mua o ka extrusion māhoe conical ka hānai ʻana. I kēia kahua, ua ana ʻia nā mea maka, e like me ka pauka PVC a i ʻole WPC, a me nā mea hoʻohui ʻē aʻe, e like me nā mea hoʻopaʻa, nā lubricants, nā mea hoʻopiha, nā pigments, a me nā mea hoʻololi, a ua hānai ʻia i loko o ka extruder e nā mea hānai like ʻole, e like me nā screw augers, nā pā haʻalulu, nā kāʻei kaupaona, a me nā pamu injection. ʻO ka nui o ka hānai ʻana a me ka pololei he mau mea nui e hoʻopilikia i ka maikaʻi a me ke kūlike o nā huahana hope loa. Hiki ke hoʻohui mua ʻia nā mea maka a hānai ʻia, a i ʻole ua ana ʻia a kaʻawale i loko o ka extruder, ma muli o ke ʻano a me nā waiwai i makemake ʻia o nā huahana.

Hoʻoheheʻe ʻia

ʻO ka lua o ka pae o ka extrusion māhoe conical ka hoʻoheheʻe ʻana. I kēia pae, lawe ʻia nā mea maka, hoʻopaʻa ʻia, a hoʻomehana ʻia e nā wili wili a me nā mea hoʻomehana barela, a hoʻololi ʻia mai ke kūlana paʻa i ke kūlana wai. Pili ke kaʻina hana hoʻoheheʻe i ka hoʻokomo ʻana o ka ikehu thermal a me ka mechanical, a ua hoʻohuli ʻia e ka wikiwiki o ka wili, ka hoʻonohonoho ʻana o ka wili, ka mahana o ka barela, a me nā waiwai o nā mea. He mea koʻikoʻi nō hoʻi ke kaʻina hana hoʻoheheʻe no ka hoʻopuehu ʻana a me ka hoʻolaha ʻana o nā mea hoʻohui i loko o ka matrix polymer, a me ka hoʻomaka ʻana o nā hopena kemika, e like me ke keʻa ʻana, ka hoʻopili ʻana, a i ʻole ka hoʻohaʻahaʻa ʻana, e hiki ke hana i loko o ka hoʻoheheʻe. Pono e hoʻomalu pono ʻia ke kaʻina hana hoʻoheheʻe e pale aku i ka wela nui, ka ʻoki nui ʻana, a i ʻole ka hoʻoheheʻe ʻole ʻana o nā mea, kahi e hopena ai i ka maikaʻi ʻole o ka huahana a me ka hana.

Hoʻopau ʻana

ʻO ke kolu o ka pae o ka extrusion wili māhoe conical ʻo ia ka devolatilization. I kēia pae, ua wehe ʻia nā ʻāpana volatile, e like me ka makū, ka ea, nā monomers, nā solvents, a me nā huahana decomposition, mai ka heheʻe ʻana ma ka hoʻopili ʻana i ka vacuum ma nā puka vent ma ka barela extruder. He mea nui ke kaʻina hana devolatilization no ka hoʻomaikaʻi ʻana i ka maikaʻi o ka huahana a me ke kūpaʻa, a me ka hōʻemi ʻana i ka hopena o ke kaiapuni a me nā pōʻino olakino o ke kaʻina hana extrusion. Aia ke kaʻina hana devolatilization i ka hoʻolālā screw, ka pae vacuum, ka viscosity heheʻe, a me nā ʻano mea. Pono e hoʻomaikaʻi ʻia ke kaʻina hana devolatilization e hoʻokō i ka lawa ʻana o ka wehe ʻana o nā volatiles me ka ʻole o ka hoʻoulu ʻana i ka huʻa nui, ka waikahe vent, a i ʻole ka hoʻohaʻahaʻa heheʻe.

Ke hoʻoponopono ʻana

ʻO ke kahua ʻehā a me ka hope loa o ka extrusion māhoe conical, ʻo ia ke ʻano. I kēia kahua, hoʻopuka ʻia ka mea hoʻoheheʻe ma o kahi make a i ʻole kahi mold e hoʻoholo ai i ke ʻano a me ka nui o ka huahana. Hiki ke hoʻolālā ʻia ka make a i ʻole ka mold e hana i nā huahana like ʻole, e like me nā paipu, nā profiles, ka pepa, ka ʻiliʻili, a i ʻole nā ​​granules. Hoʻopili ʻia ke kaʻina hana hoʻolālā e ka geometry make, ke kaomi make, ka mahana make, a me ka rheology hoʻoheheʻe. Pono e hoʻoponopono ʻia ke kaʻina hana hoʻolālā e hoʻokō i nā extrudates like a laumania me ka ʻole o nā hemahema, e like me ka pehu make, ka haki hoʻoheheʻe, a i ʻole ka paʻa ʻole o ka dimensional. Ma hope o ke kaʻina hana hoʻolālā, hoʻomaʻalili ʻia nā extrudates, ʻoki ʻia, a hōʻiliʻili ʻia e nā lako hana ma lalo, e like me nā calibrators, hail-offs, cutters, a me winders.

Hopena

He mea hana maʻalahi a kūpono hoʻi ka extruder wili māhoe conical no ka hana ʻana i nā huahana PVC a me WPC mai ka pauka i hui ʻia. Hiki iā ia ke hāʻawi i nā hana e pono ai no ka hānai ʻana, ka hoʻoheheʻe ʻana, ka devolatilization, a me ke ʻano ʻana ma ke ʻano hoʻomau a kāohi ʻia. Hiki iā ia ke hana i nā huahana like ʻole me nā ʻano like ʻole, nā nui, a me nā hana, ma ka hoʻohana ʻana i nā lako ʻano like ʻole a me nā lako hana ma lalo. Loaʻa i ka extruder wili māhoe conical nā pono o ka hui maikaʻi ʻana, ka hoʻopuka nui, ka holo paʻa, a me ke ola lawelawe lōʻihi, a hiki ke hoʻokō i nā pono like ʻole o nā mea kūʻai aku a me nā mākeke.

No ka ʻike hou aku a i ʻole nā ​​nīnau, e ʻoluʻolukāhea iā mā˚ou:

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Mea hoʻopuka wili māhoe Conical


Ka manawa hoʻouna: Ian-24-2024