A hiki i Feberuari 2020, ua hoʻohana kahi waihona aila ma ke awa ʻo Brazil i ʻelua mau pamu centrifugal no ka lawe ʻana i ka aila kaumaha mai nā pahu mālama i nā kaʻa kaʻa a i ʻole nā moku. Pono kēia i ka hoʻoheheʻe wahie diesel e hōʻemi i ka viscosity kiʻekiʻe o ka medium, he kumukūʻai. Loaʻa i nā mea nona ka $2,000 i kēlā me kēia lā. Eia kekahi, hāʻule pinepine nā pamu centrifugal ma muli o ka pōʻino cavitation. Ua hoʻoholo ka mea nona e hoʻololi mua i kekahi o nā pamu centrifugal ʻelua me kahi NOTOS® multiscrew pump mai NETZSCH. Mahalo i kona mana hoʻomoʻo maikaʻi loa, ua kūpono hoʻi ka 4NS i koho ʻia no ka media viscosity kiʻekiʻe a hiki i 200,000 cSt, e hāʻawi ana i nā kahe kahe a hiki i 3000 m3/h. Ma hope o ka hoʻokō ʻana, ua maopopo ka hana ʻana o ka pauma multiscrew me ka ʻole o ka cavitation ʻoiai ʻoi aku ka kiʻekiʻe o nā kahe kahe e hoʻohālikelike ʻia me nā pauma centrifugal ʻē aʻe. ʻO kekahi pōmaikaʻi ʻaʻole pono e hoʻohui i ka nui o ka wahie diesel. Ma muli o kēia ʻike maikaʻi, i Pepeluali 2020 ua hoʻoholo ka mea kūʻai aku e hoʻololi i ka lua centrifugal pump me NOTOS ® . Eia hou, ua maopopo e hiki ke hoemi nui i ka ikehu.
"Hoʻohana ʻia kēia mau pamu no ka lawe ʻana i ka ʻaila koʻikoʻi mai nā mahiʻai pahu i nā kaʻa kaʻa a i ʻole nā moku ma nā awa o ka ʻākau-hikina ʻo Brazil, ka mea nui i nā wā maloʻo," wehewehe ʻo Vitor Assmann, Luna Hoʻokele Nui ma NETZSCH Brazil. "ʻO kēia no ka mea ʻoi aku ka liʻiliʻi o ka ikehu o nā mea kanu hydroelectric o ka ʻāina i kēia mau manawa, e hoʻonui ai i ka koi no ka aila kaumaha. kaiapuni. "ʻAʻole hiki ke hoʻomoʻi maikaʻi ʻia nā pamu centrifugal maʻamau, ʻo ia hoʻi, aia kekahi aila i loko o ka waihona a ʻaʻole hiki ke hoʻohana ʻia," wahi a Vitor Assmann. "Eia kekahi, hiki i ka ʻenehana hewa ke alakaʻi i ka cavitation, kahi e alakaʻi ai i ka pau ʻana o ka pauma i ka wā lōʻihi."
ʻElua mau pamu centrifugal ma kahi mahiʻai pahu Brazil e loaʻa pū ana i ka cavitation. Ma muli o ka viscosity kiʻekiʻe, he haʻahaʻa ka waiwai NPSHa o ka ʻōnaehana, ʻoi aku i ka pō, e alakaʻi ana i ka pono e hoʻohui i ka wahie diesel pipiʻi i ka aila kaumaha e hōʻemi i ka viscosity. "Ma kahi o 3,000 lita e pono e hoʻohui ʻia i kēlā me kēia lā, ʻo ia ke kumu kūʻai ma kahi o $2,000 i ka lā," hoʻomau ʻo Asman. No ka hoʻomaikaʻi ʻana i ka hilinaʻi o ke kaʻina hana a me ka hoʻohaʻahaʻa ʻana i nā kumukūʻai ikehu, ua hoʻoholo ka mea nona e hoʻololi i kekahi o nā ʻāpana centrifugal ʻelua me kahi NOTOS ® multiscrew pump mai NETZSCH a hoʻohālikelike i ka hana o nā ʻāpana ʻelua.
ʻO ka laulā NOTOS ® ka mea maʻamau e komo pū me nā ʻōpala multiscrew me ʻelua (2NS), ʻekolu (3NS) a i ʻole ʻehā (4NS), hiki ke hoʻohana maʻalahi no ka mālama ʻana i nā viscosities like ʻole a me nā kahe kahe kiʻekiʻe. Pono kahi waihona aila ma Brazil i ka pauma hiki ke puhi i ka aila kaumaha a hiki i ka 200 m3/h ma ke kaomi o 18 bar, kahi mahana o 10-50 °C a me ka viscosity a hiki i 9000 cSt. Ua koho ka mea nona ka mahiʻai pahu i kahi pāma māhoe māhoe 4NS, nona ka mana a hiki i 3000 m3/h a kūpono ia no ka media viscous a hiki i 200,000 cSt.
He hilinaʻi nui ka paila, hiki ke kū i ka holo maloʻo a hiki ke hana ʻia mai nā mea i koho pono ʻia no ka noi. Hāʻawi nā ʻenehana hana hou i ka hoʻomanawanui ʻoi aku ma waena o nā mea ikaika a me nā mea static, a laila e hōʻemi ana i ka pono o ka reflow. I ka hui pū ʻana me ke ʻano o ke keʻena pāpaʻi kahe, loaʻa ka hana kiʻekiʻe.
Eia naʻe, ma ka hoʻohui ʻana i ka pono, ʻo ka maʻalahi o ka pauma e pili ana i ka viscosity o ka medium pumped he mea koʻikoʻi loa ia no nā mea nona nā mahiʻai tank Brazilian: "ʻOiai ke ʻano o ka hana o nā pamu centrifugal he haiki a me ka piʻi ʻana o ka viscosity, hoʻemi ʻia ko lākou pono. "Hoʻokumu ʻia kēia manaʻo pumping ma ka pilina ma waena o ka auger a me ka hale. Hoʻokumu ia i kahi keʻena halihali kahi e neʻe mau ai ka ʻaoʻao mai ka ʻaoʻao inlet a i ka ʻaoʻao hoʻokuʻu ma lalo o ke kaomi paʻa - aneane ʻaʻole i nānā i ke kūpaʻa a i ʻole ka viscosity o ka waena. " Hoʻopili ʻia ke kahe kahe e ka wikiwiki o ka pamu, ke anawaena a me ka pitch o ka auger. No laila, pili pono ia i ka wikiwiki a hiki ke hoʻoponopono pono ʻia ma o ia.
Hiki ke hoʻololi ʻia kēia mau pamu i ka noi o kēia manawa e hoʻokō i ka hana maikaʻi loa. Pili kēia i ka nui o ka pamu a me kona mau ʻae ʻana, a me nā mea pono. No ka laʻana, hiki ke hoʻohana ʻia nā valve overpressure, nā ʻōnaehana sealing like ʻole a me nā hāmeʻa kiaʻi e hoʻohana ana i ka wela a me ka vibration sensor. "No ka hoʻohana ʻana o Brazil, ʻo ka viscosity o ka media i hui pū ʻia me ka wikiwiki o ka paila e koi i kahi sila pālua me kahi ʻōnaehana sealing waho," wehewehe ʻo Vitor Assmann. Ma ke noi a ka mea kūʻai aku, hoʻokō ka hoʻolālā i nā koi API.
No ka mea hiki i ka 4NS ke hana ma nā wahi kiʻekiʻe-viscosity, ʻaʻohe pono e hoʻokomo i ka wahie diesel. ʻO kēia, ua hoʻemi ʻia nā kumukūʻai ma $2,000 i kēlā me kēia lā. Eia kekahi, ʻoi aku ka maikaʻi o ka pahū i ka wā e hoʻomāke ana i ia media viscous, e hōʻemi ana i ka hoʻohana ʻana i ka ikehu ma mua o 40% a 65 kW. Mālama kēia i nā kumukūʻai o ka ikehu, ʻoi aku ka maikaʻi ma hope o kahi hoʻokolohua kūleʻa i Pepeluali 2020, ua hoʻololi ʻia ka lua o ka pauma centrifugal me kahi 4NS.
No nā makahiki he 70, ua lawelawe ʻo NETZSCH Pumps & Systems i ka mākeke honua me NEMO® hoʻokahi ʻūlū pahū, TORNADO® rotary vane pumps, NOTOS® multiscrew pumps, PERIPRO® peristaltic pumps, grinders, drum empty system, dosing equipment. a me na mea komo. Hāʻawi mākou i nā hāʻina maʻamau, piha no nā noi ma nā ʻoihana like ʻole. Me ka ʻoi aku o nā limahana 2,300 a me ka huli ʻana o € 352 miliona (makahiki kālā 2022), ʻo NETZSCH Pumps & Systems ka hui ʻoihana nui loa ma ka NETZSCH Group me ka huli kiʻekiʻe loa, me NETZSCH Analysis & Testing a me NETZSCH Grinding & Dispersion. He kiʻekiʻe ko mākou kūlana. Hoʻohiki mākou i kā mākou mea kūʻai aku "Proven Excellence" - nā huahana a me nā lawelawe koʻikoʻi ma nā wahi āpau. Mai ka makahiki 1873, ua hōʻoia pinepine mākou i hiki iā mākou ke mālama i kēia ʻōlelo hoʻohiki.
Manufacturing & Engineering Magazine, abbreviated MEM, ʻo ia ka puke ʻenekinia alakaʻi nui o UK a me nā kumu nūhou hana, e uhi ana i nā wahi like ʻole o ka nūhou ʻoihana e like me: Contract Manufacturing, 3D Printing, Structural and Civil Engineering, Automotive, Aerospace Engineering, Marine Engineering, Rail Engineering, ʻenekinia ʻenehana, CAD, hoʻolālā mua a me nā mea hou aku!
Ka manawa hoʻouna: Iulai-31-2024