Date: July 10, 2025
Source: Wire & Cable Journal, Shanghai Electric Power Research Institute na wotintimii
Tɔfabɔ:
Nhwehwɛmu bi a ɛyɛ nwonwa a Gao Jiefei yɛe, a wotintimii wɔ Wire & Cable mu no de ntotoho a ɛkɔ akyiri ma wɔ .
Ogya a ɛrehyew, ogya-a ɛko tia, ne ɔhyew adwumayɛ gyinapɛn ahorow a wɔde si nhama. No
Nhwehwɛmu si nsonsonoeɛ a ɛho hia wɔ adwumayɛ ho nsɛnkyerɛnneɛ titire mu so dua wɔ gyinapɛn akɛseɛ mu-GB/T .
19666-2019, GB 31247-2014, ne GA 306.1-2007-na ɛde akwan a wɔayɛ no yiye a wɔayɛ no yiye ma .
ama cable a wɔpaw wɔ adansi mmeae ahorow.
Nneɛma atitiriw a wɔahu:
Nsonsonoe a ɛwɔ gyinapɛn mu:
GB/T 19666-2019 twe adwene si nneɛma a wɔyɛ no biako a wɔhwehwɛ so, na ɛkyerɛ ɔhyew .
Ɔhyew a ɛyɛ 750–830℃ne ogya a ɛtrɛw anohyeto a ennu anaasɛ ɛne 2.5m yɛ pɛ.
GB 31247-2014, gyinapɛn a ɛyɛ ahyɛdeɛ fã bi, de ogya ahobanbɔ di kan, na ɛkyekyɛ nhama mu ma ɛyɛ .
(950℃, 180min), B1, B2, ne B3 tiers a ogyaframa a ɛyɛ den trɛw ( a ennu anaasɛ ɛne 1m yɛ pɛ ma A-GRADE) ne awuduru .
aboboano.
GA 306.1-2007 Nneɛma a wɔde ka ho a ɛwɔ nneɛma a atwa yɛn ho ahyia ho ahobammɔ ho nsusuwii te sɛ wusiw awuduru ne nsu a ɛreworo so .
Ɔsɔretia, a wɔtaa bu ani gu so wɔ gyinapɛn afoforo mu.
Adwumayɛ mu nsonsonoe:
Atetesɛm mu nhama (sɛ nhwɛso no, WDZB-YJV) betumi ahyia ogyaframa a ɛmma ogya ntumi nhyew (B-GRADE) nanso adi nkogu B1-level .
Ɔhyew mu nsusuwii, te sɛ ɔhyew a ɛba nyinaa (thr a ennu anaasɛ ɛne 10 mJ/m2 yɛ pɛ).
Ano aduru a wɔaka abom (sɛ nhwɛso no, abien-a wɔakyerɛw so WDZB-YJV/B1(d0,t0,a1)) a Nano-Additives tumi bridge
Ntrɛwmu, a ɛtew THR so 50% bere a wusiw ne awuduru a ɛba fam no kɔ so tra hɔ.
Application-Nkamfo a ɛfa ho pɔtee:
High-Su adan: Fa GB 31247's A/B1-grade nhama di kan ma ogya a wɔko tia no trɛw.
Ɔmanfo mmeae (sɛ nhwɛso no, metro, agoprama ahorow): Si GA 306.1 so dua a ɛba fam-Smoke, halogen-nhama a wontua hwee (T0 .
Toxicity, d0 dripping) de brɛ asiane a ɛto so abien ase.
Nsiesiei a ɛyɛ den (sɛ nhwɛso no, vertical shafts): Fa GB/T 19666 no gya bom-trɛw anohyeto ahorow mu denam enhanced so .
Drip a ɛko tia.
Nsɛm a wɔayɛ ho nhwehwɛmu:
Xiongan New Area's Mixed-de complex (14,000m2) di dwuma no mu nhwehwɛmu daa no adi sɛ ɛyɛ nea wɔtaa yɛ .
Nhama no antumi ankɔ B1 gyinapɛn ahorow so. Ɛdenam B1(D0,T0,A1) nhama a wɔayɛ no foforo a wɔfa so no so no, adwuma no atumi ayɛ .
Ogya a ɛtɔ sin no nyinaa a wodi so ( a ennu anaasɛ ɛne 10 mJ/m2 THR yɛ pɛ) ne nneɛma a atwa yɛn ho ahyia ho ahobammɔ (co a ennu anaasɛ ɛne 10mg/g yɛ pɛ, .
HCN a ɛsua sen anaa ɛne 80mg/g yɛ pɛ), a ɛma evacuation ne firefighting efficacy yɛ kɛse.
Akwankyerɛ a ɛbɛba daakye:
Standard harmonization: Merge ogyaframa a ɛmma ogya ntumi nhyew ne ɔhyew metrics no yɛ streamline sɔhwɛ .
ne nhyehyɛe.
Ka a wɔbɔ-Eco-Nneɛma a etu mpɔn: nkɔso a ne bo yɛ den, ɛkorɔn-adwumayɛ nhama a wɔde gye tom kɛse.
Software a wɔde ka bom: Update engineering nnwinnade (sɛ nhwɛso no, Glodon, Swire) ma ɛka ho .
Adwumayɛ ho nsɛm, a esiw sikasɛm mu nsonsonoe ano.
Awie:
Saa nhwehwɛmu yi si hia a ehia sɛ wɔpaw cable a wɔde yɛ ade nyinaa so dua, na ɛkari pɛ wɔ ogya a wɔko tia no ho .
Nneɛma a atwa yɛn ho ahyia ho ahobammɔ. Ɛdenam gyinapɛn ahorow a wɔde bɛyɛ pɛ na wɔde nneɛma foforo a wɔyɛ no adi dwuma so no, wɔn a wɔde wɔn ho hyɛ mu no betumi .
Tew ogya ho asiane so kɛse bere a ɛma ɛka a wɔbɔ no yɛ papa-Blueprint ma wiase nyinaa adan ahobammɔ .
Nkɔso a aba.
