{"id":16788,"date":"2026-05-28T09:20:46","date_gmt":"2026-05-28T09:20:46","guid":{"rendered":"https:\/\/www.jet-mills.com\/?post_type=astra-portfolio&#038;p=16788"},"modified":"2026-05-28T09:22:31","modified_gmt":"2026-05-28T09:22:31","slug":"chinas-offshore-oil-producer-uses-mqw-jet-mill-for-safe-pitch-micronization","status":"publish","type":"astra-portfolio","link":"https:\/\/www.jet-mills.com\/it\/cases\/chinas-offshore-oil-producer-uses-mqw-jet-mill-for-safe-pitch-micronization\/","title":{"rendered":"Un produttore petrolifero offshore cinese utilizza un mulino a getto MQW per una micronizzazione sicura del catrame."},"content":{"rendered":"<p id=\"h-\">Il catrame di petrolio derivato dalla raffinazione offshore \u00e8 una materia prima fondamentale per applicazioni specializzate a valle. Tuttavia, la riduzione della sua granulometria fino al range dei micrometri presenta due criticit\u00e0 ingegneristiche:<\/p>\n\n\n\n<p><strong>Pasta termica:<\/strong> La pece ha un punto di rammollimento intrinsecamente basso. I tradizionali macinini meccanici generano un intenso calore da attrito, che provoca l&#039;ammorbidimento della pece, la sua trasformazione in una sostanza appiccicosa e il suo deposito sulle componenti interne del mulino. Ci\u00f2 si traduce in guasti immediati del sistema e in interventi di manutenzione dispendiosi in termini di manodopera.<\/p>\n\n\n\n<p><strong>Rischi di esplosione di polveri:<\/strong> La polvere di pece fine sospesa nell&#039;aria \u00e8 altamente esplosiva. In un normale ambiente di macinazione, una singola scintilla elettrostatica o un punto caldo localizzato possono innescare un&#039;esplosione di polvere catastrofica, rendendo le normali attrezzature di macinazione a secco completamente inadatte ai rigorosi protocolli di sicurezza di un produttore di petrolio e gas.<\/p>\n\n\n\n<p><strong>Rigorosi controlli di taglio superiore:<\/strong> I rivestimenti avanzati richiedono l&#039;eliminazione completa della &quot;coda grossolana&quot;. Anche una piccola percentuale di particelle superiori a 20 \u03bcm pu\u00f2 compromettere l&#039;uniformit\u00e0 delle formule anticorrosive marine ad alte prestazioni.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"576\" src=\"https:\/\/www.jet-mills.com\/wp-content\/uploads\/2026\/05\/Jet-Mill-for-Grinding-Pitch-edited.webp\" alt=\"\" class=\"wp-image-16791\" srcset=\"https:\/\/www.jet-mills.com\/wp-content\/uploads\/2026\/05\/Jet-Mill-for-Grinding-Pitch-edited.webp 768w, https:\/\/www.jet-mills.com\/wp-content\/uploads\/2026\/05\/Jet-Mill-for-Grinding-Pitch-edited-300x225.webp 300w, https:\/\/www.jet-mills.com\/wp-content\/uploads\/2026\/05\/Jet-Mill-for-Grinding-Pitch-edited-16x12.webp 16w, https:\/\/www.jet-mills.com\/wp-content\/uploads\/2026\/05\/Jet-Mill-for-Grinding-Pitch-edited-600x450.webp 600w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\"><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-explosion-proof-mqw-jet-mill\"><mark class=\"has-inline-color has-ast-global-color-0-color\">Mulino a getto MQW antideflagrante<\/mark><\/h2>\n\n\n\n<p>Per soddisfare i rigorosi requisiti del cliente in materia di sicurezza, purezza e geometria delle particelle, <a href=\"https:\/\/www.jet-mills.com\/it\/about-us\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Chi siamo\">Polvere epica<\/a> ha implementato una configurazione personalizzata del <strong><a href=\"https:\/\/www.jet-mills.com\/it\/fluidized-bed-jet-mill\/\">Mulino a getto d&#039;aria a letto fluidizzato MQW03<\/a><\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-fully-enclosed-inert-gas-n2-engineering\"><mark class=\"has-inline-color has-ast-global-color-0-color\">1. Ingegneria del gas inerte (N2) completamente chiuso<\/mark><\/h3>\n\n\n\n<p>Per eliminare il rischio di esplosione, il sistema MQW03 opera all&#039;interno di un circuito chiuso completamente sigillato, riempito con azoto (N2) pressurizzato. Analizzatori di ossigeno integrati monitorano continuamente il sistema, garantendo che la concentrazione di ossigeno rimanga saldamente al di sotto di 3%. Se il livello di ossigeno si discosta da tale valore, il sistema attiva automaticamente uno spurgo di emergenza con N2 e si arresta in sicurezza.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-joule-thomson-cooling-effect\"><mark class=\"has-inline-color has-ast-global-color-0-color\">2. Effetto di raffreddamento Joule-Thomson<\/mark><\/h3>\n\n\n\n<p>Il MQW03 utilizza azoto compresso ad alta velocit\u00e0 iniettato attraverso ugelli Laval allineati con precisione. Quando il gas si espande nella camera a letto fluidizzato, subisce una rapida espansione, creando un effetto di raffreddamento naturale. Le particelle di pece si scontrano tra loro a velocit\u00e0 supersoniche (<em>collisione particella-particella<\/em>) all&#039;interno di un ambiente refrigerato. La temperatura interna rimane ben al di sotto della soglia di rammollimento del catrame, eliminando l&#039;adesione termica.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-high-efficiency-turbine-classifier\"><mark class=\"has-inline-color has-ast-global-color-0-color\">3. Classificatore a turbina ad alta efficienza<\/mark><\/h3>\n\n\n\n<p>La ruota di classificazione orizzontale integrata funge da filtro ultra-preciso. Lavorando al regime di giri ottimale, permette l&#039;uscita dal sistema solo delle particelle che soddisfano il profilo micrometrico target, restituendo il passo sovradimensionato per un&#039;ulteriore macinazione. Ci\u00f2 garantisce un assoluto <mark class=\"has-inline-color has-ast-global-color-0-color\">taglio superiore (D100)<\/mark> senza ricorrere a setacci esterni.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-technical-performance-amp-operational-parameters\"><mark class=\"has-inline-color has-ast-global-color-0-color\">Prestazioni tecniche e parametri operativi<\/mark><\/h2>\n\n\n\n<p>Il sistema MQW03 ha fornito parametri di elaborazione estremamente stabili durante la valutazione pilota continua:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Parametro<\/strong><\/td><td><strong>Prestazioni e specifiche<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Configurazione del sistema<\/strong><\/td><td>Epic Powder MQW03 (Antideflagrante \/ A circuito chiuso)<\/td><\/tr><tr><td><strong>Materiale<\/strong><\/td><td>Precursore di pece di petrolio raffinato<\/td><\/tr><tr><td><strong>Gamma di dimensioni di alimentazione<\/strong><\/td><td><strong>\u2264<\/strong> 1,5 mm<\/td><\/tr><tr><td><strong>Dimensione delle particelle target (D50)<\/strong><\/td><td><strong>5 \u03bcm<\/strong> (Distribuzione altamente uniforme)<\/td><\/tr><tr><td><strong>Taglio di punta assoluto (D100)<\/strong><\/td><td><strong>&lt; 18 \u03bcm<\/strong> (Nessuna particella grossolana di dimensioni eccessive)<\/td><\/tr><tr><td><strong>Progettazione del sistema di sicurezza<\/strong><\/td><td>Resistenza agli urti da esplosione a 10 bar, classificazione antideflagrante Ex d II B T4<\/td><\/tr><tr><td><strong>Gas di processo<\/strong><\/td><td>Contenuto di azoto (N2) e ossigeno a ciclo chiuso &lt; 3%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways-and-operational-impact\"><mark class=\"has-inline-color has-ast-global-color-0-color\">Punti chiave e impatto operativo<\/mark><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Conformit\u00e0 impeccabile alle norme di sicurezza:<\/strong> Il sistema di protezione a circuito chiuso con azoto ha permesso al cliente di integrare in sicurezza la linea di lavorazione delle polveri all&#039;interno della propria zona di produzione petrolchimica, nel rispetto di tutti gli standard nazionali di sicurezza chimica.<\/li>\n\n\n\n<li><strong>Funzionamento continuo senza tempi di inattivit\u00e0:<\/strong> Grazie all&#039;utilizzo del raffreddamento a fluido energetico, il mulino ha funzionato ininterrottamente durante turni di prova prolungati senza alcun accumulo o incrostazione sulla ruota di classificazione o sulle pareti della camera.<\/li>\n\n\n\n<li><strong>Integrazione perfetta con i processi di miscelazione a valle:<\/strong> La distribuzione granulometrica ristretta e prevedibile ha migliorato significativamente la velocit\u00e0 di dispersione della polvere di pece nelle matrici di resina speciali per rivestimenti protettivi offshore.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Approfondimenti sul settore:<\/strong> Per le grandi imprese energetiche, i dati di laboratorio o pilota del sistema MQW03 costituiscono la base ingegneristica fondamentale. I parametri di processo precisi stabiliti da questo sistema, come i rapporti gas-materiale, la geometria dell&#039;ugello e la velocit\u00e0 della punta del classificatore, sono direttamente scalabili ai sistemi industriali di grandi dimensioni di Epic Powder (come MQW40 o MQW60), aprendo la strada a una chiara espansione degli impianti ad alta capacit\u00e0.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-scale-your-powder-processing-safely-with-epic-powder\"><mark class=\"has-inline-color has-ast-global-color-0-color\">Scalare in sicurezza la lavorazione delle polveri con <a href=\"https:\/\/www.jet-mills.com\/it\/products\/\">Polvere epica<\/a><\/mark><\/h2>\n\n\n\n<p>Dai sistemi di ricerca e sviluppo in laboratorio con garanzie antideflagranti assolute alle linee di produzione industriale chiavi in mano ad alta capacit\u00e0, Epic Powder progetta sistemi che colmano il divario tra la complessa chimica dei materiali e le rigorose norme di sicurezza industriale.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.jet-mills.com\/it\/contact-us\/\">Contatta il nostro team di ingegneri<\/a><\/strong> per discutere i requisiti del tuo progetto o per programmare una prova di fresatura del materiale, da remoto o di persona.<\/p>","protected":false},"featured_media":16790,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"astra-portfolio-categories":[45],"astra-portfolio-other-categories":[],"astra-portfolio-tags":[143,147,146,144],"class_list":["post-16788","astra-portfolio","type-astra-portfolio","status-publish","has-post-thumbnail","hentry","astra-portfolio-categories-fine-chemical","astra-portfolio-tags-nitrogen-protected-jet-mill","astra-portfolio-tags-explosion-proof-jet-mill","astra-portfolio-tags-fluidized-bed-jet-mill-for-pitch","astra-portfolio-tags-petroleum-pitch-grinding"],"astra-site-call-to-action":"","astra-site-open-in-new-tab":"0","astra-site-open-portfolio-in":"new-tab","astra-site-url":"","thumbnail-image-url":null,"thumbnail-image-meta":{"alt":"","title":""},"lightbox-image-url":null,"portfolio-type":"page","portfolio-video-url":"","request_time":0.7567529678344727,"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - 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