Akụkọ
Kedu ihe kpatara anyị ji ahọrọ valvụ PVDF, ọkpọkọ ọkpọkọ na ọkpọkọ?
Kedu ihe kpatara anyị ji ahọrọ valvụ PVDF, ọkpọkọ ọkpọkọ na ọkpọkọ?
Enwere UPVC, CPVC, PPH, PVDF, FRPP valves, ọkpọkọ ọkpọkọ na ọkpọkọ n'ahịa. Kedu ihe kpatara anyị ji ahọrọ ihe PVDF? Nke mbụ, anyị kwesịrị ịma njirimara PVDF ndị a:
Kedu ihe bụ njirimara ihe PVDF?
Polyvinylidene fluoride, nke a na-akpọ PVDF, ọ bụ monomer nke trifluoroethylene, hydrofluoric acid na zinc ntụ ntụ kpụrụ, na mgbe polymerization na-emepụta kristal ọcha siri ike.
Mgbe ịgbado ọkụ na-ekpo ọkụ na-ekpo ọkụ, a ga-edozi njikọ ahụ n'ime igwe ịgbado ọkụ na-ekpo ọkụ na-ekpo ọkụ, ma na-eme ka njikọ ahụ dị jụụ dị ka oge jụrụ oyi nke akọwapụtara na ụkpụrụ nke nrụgide nrụgide na ịjụ oyi nke igwe na-agbaze ọkụ ọkụ. Mgbe ahụ jụrụ oyi, belata nrụgide ka ọ bụrụ efu, wee wepụ ọkpọkọ / ihe ndị a kpara akpa.
Kedu ihe bụ PVDF Properties?
| Ihe | Nkeji | Ọkọlọtọ Uru | Ọkọlọtọ |
| Njupụta | n'arọ/m³ | 1770-1790 | ISO 1183 |
| Vicat | ℃ | ≥165 | ISO 2507 |
| Ike ọdụdọ | MPa | ≥40 | ISO 6259 |
| Ike mmetụta (23 ℃) | KJ/m² | ≥160 | ISO 179 |
| Oke ndọghachi azụ kwụ ọtọ (150 ℃) | % | ≤2 | ISO 2505 |
1.Nguzogide okpomọkụ:
Sistemụ ọkpọkọ PVDF nwere ezigbo nkwụsi ike nke okpomọkụ, nwere ike ịnọgide na-arụ ọrụ kwụsiri ike n'ọtụtụ ọnọdụ okpomọkụ, ojiji kachasị ogologo oge nke okpomọkụ ruo 150 Celsius C ma ọ bụ karịa.
2.Mechanical ike:
N'iji ya tụnyere ihe ndị ọzọ rọba, PVDF vales, ọkpọkọ ọkpọkọ na ọkpọkọ nwere ike nkwụsị dị elu, mmetụta nkwụsị na nkwụsị nke abrasion, ma nwee ike ịnọgide na-enwe ezigbo isi ike na ike ọbụna na obere okpomọkụ.
3.Dimensional kwụsie ike:
PVDF vales, ọkpọkọ ọkpọkọ na ọkpọkọ na-egosipụta obere ọnụọgụ nke mgbasawanye ọkụ mgbe ọ na-ekpo ọkụ ma ọ bụ oyi, ya mere ọ na-enwe ike ịnọgide na-enwe izi ezi akụkụ.
4. Ike na isi ike:
akwa siri ike na ezigbo nkwụsi ike, na-eme ka ọkpọkọ ahụ ghara ịdị mfe nrụrụ ma dị mfe ịwụnye.
Kedu ihe bụ PVDF chemical Njirimara?
1.Chemical corrosion eguzogide:
PVDF vales, ọkpọkọ ọkpọkọ na ọkpọkọ nwere kemịkalụ kemịkalụ dị elu na ọtụtụ acid, alkalis, salts na ọtụtụ ihe mgbaze organic, nke bụ ezigbo pipeline ihe maka ibuga mgbasa ozi na-emebi emebi n'ọhịa nke ụlọ ọrụ kemịkalụ.
2. Enweghị nrapado:
elu dị larịị, ọ dịghị mfe ịrapagidesi ike na ihe ahụ, nke nwere ike ibelata mkpokọta ọnụ ọgụgụ na ihe na-emechi emechi na usoro nnyefe.
Kedu usoro njikọ ngwaahịa PVDF?
Dị ka PPH, usoro ọkpọkọ PVDF jikọtara ya na mgbaze ọkụ, nke nwekwara ike kewaa n'ime ịgbado ọkụ gbazere oghere na ịgbado ọkụ ọkụ. Usoro nke ịgbado ọkụ gbazere oghere dị ka PPH kwa.
The kpọmkwem nzọụkwụ nke ọkụ gbazee butt ịgbado ọkụ nke PVDF dị ka PPH kwa, ma e nwere ụfọdụ dị iche iche na usoro ntụaka , nkọwa dị ka n'okpuru:
| mgbidi aha ọkpụrụkpụ/MM | Nhazi | kpo oku | Nyefee | ịgbado ọkụ | |
| 240 ℃ ± 8 ℃ kpo oku akụrụngwaokpomọkụ 240 ℃ 8 ℃ | |||||
| Elu nke flaapu na kpụ ọkụ n'ọnụ akụkụ na njedebe nke oge nhazi (min) (nhazi p=0.01N/mm2)/mm | oge kpo oku≈10e+40s | Oge mbufe (max)/s | Nrụgide ịgbado ọkụ oge nhazi / s | Oge oyi n'okpuruịgbado ọkụ nrụgide (nkeji)[p (0.10+0.01) N/ mm2 t≈1.2e+2min]/min | |
| 6.0 ruo 10.0 | 0.5 ~ 1.0 | 95-140 | USD4.00 | 5–7 | 8.5–14 |
| 10.0 ~ 15.0 | 1.0-1.3 | 140-190 | USD4.00 | 7–9 | 14-19 |
| 15.0-20.0 | 1.3-1.7 | 190 ~ 240 | USD 5.00 | 9–11 | 19-25 |
| 20.0 ~ 25.0 | 1.7-2.0 | 240 ~ 290 | USD 5.00 | 11–13 | 25–32 |
Ntụnyere njirimara:
Ndịiche nke U-PVC, PPH na C-PVC ngwaahịa na-arụ ọrụ okpomọkụ na njikọ usoro
| Ndịiche nke U-PVC, PPH na C-PVC ngwaahịa na-arụ ọrụ okpomọkụ na njikọ usoro | |||
| Akụrụngwa | Oke okpomọkụ na-arụ ọrụ | Okpomọkụ na-aga n'ihu ga-adị n'okpuru | Ejikọtara ya |
| UPVC | 60 ℃ | 45 ℃ (0 ~ 45 ℃) | Simenti |
| PPH | 110 ℃ | 90 ℃ (0 ~ 90 ℃) | Igwe ịgbado ọkụ na-ekpo ọkụ meld na ịgbado ọkụ |
| CPVC | 110 ℃ | 95 ℃ (0 ~ 95 ℃) | Simenti |
| PVDF | 200 ℃ | 150 ℃ (-30 ~ 150 ℃) | Igwe ịgbado ọkụ na-ekpo ọkụ meld na ịgbado ọkụ |
Kedu ngwa ụlọ ọrụ maka valvụ PVDF, akwa ọkpọkọ na ọkpọkọ?
1. Ụlọ ọrụ kemịkalụ:
A na-ejikarị usoro kemịkalụ dị iche iche na usoro nnyefe mmiri, dị ka ibuga acid, ngwọta alkali, oxidants, ihe mgbaze na ihe ndị ọzọ na-emebi emebi.
2. Semiconductor na ụlọ ọrụ eletrọnịkị:
Na gburugburu ụlọ dị ọcha nke usoro nnyefe mmiri ultrapure, yana nchekwa kemịkalụ na nkesa nkesa dị ka ihe ọkpọkọ na-ahọrọ.
3. Environmental engineering engineering:
A na-eji PVDF vales, ọkpọkọ ọkpọkọ na ọkpọkọ eme ihe n'ọtụtụ ebe maka nguzogide corrosion ya na ndakọrịta bio na ọgwụgwọ mmiri mkpofu, ịsa mmiri mmiri, yana ọgwụgwọ tupu ọgwụgwọ na usoro ọgwụgwọ nke sistemu osmosis membrane.
4. Pharmaceuticals na biotechnology:
N'ime usoro mmepụta chọrọ njikwa siri ike nke mmetọ na mgbochi nke oge ọmụmụ microbial, pipeline PVDF n'ihi ịdị ọcha ya dị elu, na-adịghị egbu egbu ma na-esi ísì ụtọ ma na-eji ya maka ibufe mmiri dị ọcha, ndị na-emepụta ọgwụ ma ọ bụ mmiri mmiri ndị ọzọ.
5. Ike na ụlọ ọrụ nuklia:
N'ihi nguzogide radieshon ya na nguzogide okpomọkụ dị elu, a na-ejikwa ya na usoro mmiri jụrụ oyi nke ụfọdụ ụlọ ọrụ nuklia na ụlọ ọrụ ike ndị ọzọ.
Na nkenke, polyvinylidene fluoride pipep abụrụla nhọrọ kacha mma maka ọtụtụ ngwa dị elu na nke siri ike n'ihi nguzogide kemịkalụ ya dị mma, ike dị elu, oke okpomọkụ na-eguzogide na ezigbo mkpuchi ọkụ eletrik.