Nsɔano a ɛyɛ adwuma yiye wɔ graphite packing mu no nya nkɛntɛnso wɔ adwumayɛ mu nsɛm ahorow so, a nea ɛka ho ne:
• Nhyɛsoɔ a ɛwɔ mfimfini: Nhyɛsoɔ a ɛkorɔn-nhyɛsoɔ atwa ho ahyia (sɛ nhwɛsoɔ no, ɛboro 10 MPa) hwehwɛ sɛ wɔde multi-layer composite packing structure (sɛ nhwɛsoɔ no, graphite ne PTFE a ɛsesa) to kari pɛ wɔ tumi a wɔde hyɛ nsɔano ne deformation tumi mu.
• Linear Speed: Sɛ linear speed a rotating shaft no boro 10 m/s a, ɛsɛ sɛ wɔyɛ packing no thermal conductivity no yiye (sɛ nhwɛso no, denam kɔbere powder a wɔde bɛka ho na ama ɔhyew no ayɛ kɛse) na amma localized overheating ne carbonization huammɔdi ansiw.
• Ɔhyew a ɛwɔ hɔ: wɔ ɔhyew a ɛba fam mu ( .<-20°C), graphite may become more brittle, requiring flexibility treatment or composite with other materials (e.g., asbestos matrix) to improve its toughness.
• Medium compatibility: Sɛ medium no yɛ nsuo a ɛyɛ oxidizing a ɛyɛ den (sɛ nhwɛsoɔ no, fuming sulfuric acid), graphite a ɛwɔ anti-oxidation treatment (sɛ nhwɛsoɔ no, impregnation a wɔde dadeɛ nkyene anaa organic compounds) na ɛpaw.
Application scenarios a ɛtaa ba ne optimization akwankyerɛ .
Wɔde graphite a wɔde kyekyere nneɛma ho no di dwuma kɛse wɔ petrochemical, power, ship ne nneɛma a wɔyɛ mu. Nneɛma a wɔtaa de di dwuma no bi ne:
• Valve seals: wɔde di dwuma wɔ soro-temperature, high-Pressure steam valves anaa corrosive fluid control valves, a wɔde si atetesɛm asbestos anaa rɔba a wɔde kyekyere nneɛma ananmu;
• Pɔmpɛ: Wɔde di dwuma sɛ shaft seal packing wɔ centrifugal ne reciprocating pumps mu, a ɛfata titiriw ma wɔde acid ne alkaline solutions kɔ;
• Agitators ne reactors: Wɔ soro-Speed Agitator shaft seals, a wɔaka abom stuffing box nhyehyɛe nya dynamic sealing ne leakage control.
Mprempren mfiridwuma mu nkɔso no twe adwene si adwumayɛ ne ahotoso a ɛkɔ so nya nkɔso denam nanomaterial nsakrae so (te sɛ molybdenum disulfide a wɔde bɛka ho de atew friction so), nhyehyɛe mu nneɛma foforo (te sɛ corrugated packing rings a wɔde yɛ nsakrae a ɛkɔ anim), ne nyansa a wɔde hwɛ (te sɛ ɔhyew/nhyɛso a wɔaka abom ama ankasa{0}}bere mu nsɛm a wɔde ma wɔ nsɔano tebea ho).
Graphite packing, esiane ne ho-Lubricating, high-temperature resistance, ne nnuru a ɛyɛ den nti, abɛyɛ ade a ɛho nhia wɔ mfiridwuma mu nsɔano adwumayɛbea no mu. Ne nnyinasosɛm a ɛyɛ adwuma no titiriw ne sɛ wobenya nsɔano denam kari pɛ a ɛyɛ den a ɛda nneɛma a ɛsakra ne ntam a ɛyɛ akasakasa ntam no so. Adwumayɛ ankasa gyina sɛnea ɛne adwumayɛ ho nsɛm hyia ne ntease a ɛwɔ nhyehyɛe no mu no so. Ɛnam nneɛma ho nyansahu ne mfiridwuma ho nimdeɛ a ɛkɔ anim nti, graphite a wɔde hyɛ mu no ahyeɛ no bɛkɔ so atrɛ, ama ano aduru a ɛyɛ papa ama nsɔano ahiadeɛ wɔ nsusuiɛ a ɛkorɔn ne adwumayɛ tebea a ɛyɛ den mu.
