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Mipiringidzo ya insulation ikupezeka ku Hengli, yomwe imafunikira kuti malo olumikizirana azitha kupanga makulidwe mpaka 610 * 500 * 100mm. Ma block awa amapatsa wopanga ng'anjo zosankha zambiri pamalo enaake kuti achepetse malo olumikizirana matope komanso kupulumutsa mafuta ndi ntchito.
Malo ogulitsa makina akuluakulu pafakitoli amatha kupereka mawonekedwe olondola a makina. Kulekerera kwa njerwa imodzi kuli mkati mwa +/- 1mm pomwe kulolerana komwe kumasonkhanitsidwa kumatha kuyendetsedwa mosamalitsa malinga ndi zojambula.
Zotchingira za Hengli zimagawidwa mu:
a. FJM23, FJM26, FJM28 kalasi malinga ndi ASTM muyezo;
b. Zotchinga zamphamvu kwambiri zokhala ndi CCS zimafikira 10MPa

Mphete ya Orifice yomwe tidapanganso kuphatikiza mtundu wa Zircon-Mullite (10-13% ZrO2; 18-20% ZrO2).
Monga ntchito ya tsiku ndi tsiku, timayesa kuyesa zitsanzo monga njira zotsatirazi:
Malo atatu oyimirira (pamwamba, pakati ndi pansi) ndi malo asanu opingasa (kumanja, pakati kumanja, pakati, pakati kumanzere ndi kumanzere), Pamalo aliwonse, titha kuyambitsa cholozera choyimira chilema chagalasi ngati 'kusiyana mu galasi kapangidwe'. Makamera okwera kwambiri amalemba machitidwe a tracer. Zotsatira zopitilira 150 zidapangidwa kutengera milandu yonse yomwe ili pamwambapa. kuti tiwone momwe ma rotor chubu ovomerezeka amagwirira ntchito tidakhazikitsa kusanja kuchokera pa imodzi mpaka isanu monga:
1. Chingwe chakuthwa mu mphete ya Orifice.
2. Pafupifupi chingwe chakuthwa mu mphete ya Orifice.
3. Gawo la tracer lasakanizidwa, gawo ili pafupifupi chingwe chosawoneka mu Orifice Ring.

Njerwa za Hengli Corundum zimapangidwa kuchokera ku alumina yoyera kwambiri ya tabular, aluminiyamu wosakanikirana, wotenthedwa mumoto wotentha kwambiri. Njerwazo zimakhala ndi mawonekedwe a kachulukidwe kwambiri, kuyera kwambiri, kutsika kwa porosity, komanso kukana kugwedezeka kwamafuta.
Njerwa za Hengli Corundum zimatha kupirira kuwonongeka kwa dzimbiri mumlengalenga wotulutsa okosijeni komanso kuchepetsa kwambiri mlengalenga. Itha kupiriranso kutentha kwa hydrogen.
Njerwa ya Hengli Corundum imapezeka mu makulidwe a njerwa (yowongoka, mabwalo ndi ma wedge) komanso mbale ndi mawonekedwe ake.

Njerwa ya Sillimanite ndi mtundu wa njerwa zosakanizika zomwe zimapangidwa ndi mineral sillimanite (Al2SiO5). Amadziwika ndi kukana kwambiri kugwedezeka kwa kutentha, kukhazikika kwa kutentha kwambiri, komanso kusasunthika kwa mankhwala, zomwe zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito m'mafakitale otentha kwambiri. Nazi zina zazikulu ndi ntchito za njerwa za sillimanite: