Ka ọ dị ugbu a, a pụrụ kewaa ihe ndị a na-eji pipeline eme ihe n'ụgbọala ụzọ atọ: ọkpọkọ nylon, ọkpọkọ roba na ọkpọkọ ígwè.Ọkpụkpọ nylon a na-ejikarị eme ihe bụ PA6, PA11 na PA12.A na-akpọkọta ihe atọ ndị a dị ka aliphatic Pa. PA6 na PA12 bụ mgbanaka oghere polymerization na PA11 bụ polymerization condensation.
1. Uru nkenaịlọn ọkpọkọbụ ndị a: ▼ ezigbo mmanu na-eguzogide (petrol, dizel), mmanụ na mmanụ lubricating, na nguzogide kemịkal.▼ obere okpomọkụ mmetụta eguzogide: PA11 nwere ike idi ala okpomọkụ mmetụta nke - 50 ℃ na PA12 ike iguzogide ala okpomọkụ mmetụta nke - 40 ℃.▼ obosara ngwa okpomọkụ nso: ngwa okpomọkụ nso nke PA11 bụ - 40 ~ 125 ℃, na ọnọdụ nke PA12 bụ - 40 ~ 105 ℃.Mgbe ule ịka nká na 125 ℃, 1000h, 150 ℃ na 16h, PA11 ọkpọkọ nwere ezigbo obere okpomọkụ mmetụta arụmọrụ.▼ iguzogide oxygen na zinc nnu corrosion: iguzogide 50% zinc chloride ngwọta maka ihe karịrị 200H.▼ eguzogide batrị acid na ozone.▼ ọ bụ ihe na-ete mmanụ onwe ya na nguzogide vibration, eyi nguzogide, ike ọgwụgwụ na ọnụ ọgụgụ dị ala.▼ Nguzogide UV na ịka nká nke ikuku: enwere ike iji ihe mgbochi UV nke agba agba PA11 maka afọ 2.3-7.6 dabere na mpaghara dị iche iche;Ike mgbochi ultraviolet nke ojii PA11 mụbara ugboro anọ ka ọ gbakwụnyere mgbochi ultraviolet absorbent.
Usoro nhazi nke ọkpọkọ nylon bụ: ① usoro extrusion ② nhazi usoro ③ usoro mgbakọ ④ usoro nchọpụta.N'izugbe,naịlọn ọkpọkọnwere nnukwu uru na arụmọrụ ma e jiri ya tụnyere ọkpọkọ ígwè, ebe ọ ka mma na nguzogide corrosion kemịkalụ ma na-eyi nguzogide ma e jiri ya tụnyereigwe anaghị agba nchara, nke na-ekere òkè dị ukwuu n'ibelata ibu ụgbọ ala na ọnụ ahịa mmepụta ihe.
2. Enwere ọtụtụeriri robaihe owuwu maka ụgbọ ala, na ihe ndị bụ isi gụnyere ụdị nkịtị, ụdị agbasiri ike na ụdị mkpuchi.
Basic Ọdịdị nke roba sooks ugbu a, ndị kasị eji roba pipe ihe na ahịa bụ FKM, NBR, Cr, CSM na eco: ▼ ọrụ okpomọkụ nke FKM (fluororubber) bụ 20 ~ 250 ℃, nke a na-ejikarị maka O- mgbanaka, mmanụ akara, n'ime oyi akwa nkemmanụ ụgbọala sooksna ngwaahịa akara ndị ọzọ.▼ okpomọkụ ọrụ nke NBR (raba nitrile) bụ 30 ~ 100 ℃, nke a na-ejikarị eme ihe maka eriri roba, mgbanaka akara na akara mmanụ.▼ ọrụ okpomọkụ nke Cr (chloroprene roba) bụ 45 ~ 100 ℃, nke a na-ejikarị maka teepu, sooks, waya mkpuchi, roba efere gasket 'uzu mkpuchi, wdg ▼ ọrụ okpomọkụ nke CSM (chlorosulfonated polyethylene roba) bụ 20 ~ 120 ℃, nke a na-ejikarị maka taya taya, teepu, ọkụ plọg n'ọbọ, wires, eletriki akụkụ, O-mgbanaka, ụzọ na window akara ibe, wdg ▼ ọrụ okpomọkụ nke eco (Chloroether roba) bụ 40 ~ 140 ℃, nke a na-ejikarị maka mgbanaka ọkụ, diaphragm, pad shock, eriri roba, wdg.
3. Dị ka ụdị ọkpọkọ siri ike.ígwè ọkpọkọnwere uru nke ibu arọ, ọnụ ahịa dị elu na nkwụsịtụ dị mfe.Ya mere, ọtụtụ ụlọ ọrụ ụgbọ ala na-ahọrọ ịhapụ iji ọkpọkọ ígwè.Ka ọ dị ugbu a, ọkpọkọ aluminom ígwè dị mma maka usoro ntụ oyi.Otú ọ dị, ike nkwụsị, nrụgide na-agbawa na ịka nká nke ọkpọkọ ígwè dị mma karịa nke naịlọn ọkpọkọ na ọkpọkọ roba.
Oge nzipu: Mee-24-2022