{"id":1761,"date":"2020-08-21T15:02:20","date_gmt":"2020-08-21T13:02:20","guid":{"rendered":"https:\/\/firebox.com.ua\/?p=1761"},"modified":"2020-08-21T15:02:20","modified_gmt":"2020-08-21T13:02:20","slug":"piroliznyj-kotel-ispolzovanie-tehnologii-v-otoplenii","status":"publish","type":"post","link":"https:\/\/firebox.com.ua\/ro\/piroliznyj-kotel-ispolzovanie-tehnologii-v-otoplenii\/","title":{"rendered":"Cazan de piroliz\u0103 - utilizarea tehnologiei \u00een \u00eenc\u0103lzire"},"content":{"rendered":"

Cazan de piroliz\u0103 \u0219i piroliz\u0103 dup\u0103 arderea combustibilului arzatoare pe peleti<\/a><\/h1>\n

Pentru fiecare tip de cazan este important\u0103 o caracteristic\u0103 care determin\u0103 randamentul. Const\u0103 \u00een extragerea maxim\u0103 a energiei termice din combustibilul care arde. Aceasta este caracteristica prin care se distinge un cazan de piroliz\u0103. Sunt recomandate pentru utilizare cu combustibili cu randamente ridicate de volatile. Acest lucru este valabil pentru lemn de foc, de\u0219euri de lemn, brichete combustibile, agro \u0219i pelete de lemn. Unele cazane moderne de piroliz\u0103 pot fi arse cu c\u0103rbune de nuci sau chiar cocs.<\/p>\n

Principiul de func\u021bionare cazan de piroliz\u0103<\/a><\/h2>\n

Pentru a men\u021bine o reac\u021bie normal\u0103 de piroliz\u0103, este necesar\u0103 respectarea cerin\u021belor privind umiditatea combustibilului. Nu trebuie s\u0103 dep\u0103\u0219easc\u0103 35%. \u00cen plus, cu c\u00e2t mai pu\u021bin, cu at\u00e2t mai bine. Acest lucru se datoreaz\u0103 faptului c\u0103 gazele de piroliz\u0103 sunt eliberate \u0219i amestecate cu vapori de ap\u0103, ceea ce interfereaz\u0103 cu reac\u021bia de generare a gazului. Cu un combustibil foarte umed, un cazan de piroliz\u0103, spre deosebire de unul cu combustibil solid, nu arde deloc. Deci, \u00een absen\u021ba combustibilului uscat, pute\u021bi r\u0103m\u00e2ne \u00een general f\u0103r\u0103 \u00eenc\u0103lzire.<\/p>\n

Un cazan de piroliz\u0103 este un echipament de \u00eenc\u0103lzire care utilizeaz\u0103 recuperarea c\u0103ldurii. Const\u0103 \u00een post-arderea gazelor degajate \u00een timpul arderii combustibilului, \u00een principal monoxid de carbon, hidrocarburi volatile \u0219i azot. Aerul este amestecat cu produ\u0219ii gazo\u0219i de combustie \u0219i ace\u0219tia sunt arse. O parte din energia termic\u0103 este returnat\u0103 lemnului, care men\u021bine o ardere foarte eficient\u0103.<\/p>\n

Proiecta<\/h3>\n

Principiul de func\u021bionare implic\u0103 un design cu dou\u0103 camere. Prima camer\u0103 este generatoare de gaz, este o camer\u0103 de ardere conven\u021bional\u0103 cu \u00eenc\u0103rcare de combustibil. C\u00e2nd oxigenul este limitat, combustibilul arde lent, eliber\u00e2nd \u00een acela\u0219i timp mul\u021bi compu\u0219i volatili. Acest efect se nume\u0219te piroliz\u0103 a combustibilului. Gazele intr\u0103 \u00een cel de-al doilea compartiment, \u00een care este introdus aer, a\u0219a-numita suflare deasupra capului. Produsele de ardere ard \u00eempreun\u0103 cu aerul \u0219i genereaz\u0103 c\u0103ldur\u0103.<\/p>\n

Astfel, un cazan cu piroliz\u0103 este un cazan cu ardere lung\u0103 care func\u021bioneaz\u0103 cu gazul eliberat \u00een timpul arderii combustibilului primar. \u00cen consecin\u021b\u0103, acest tip de surs\u0103 de c\u0103ldur\u0103 se distinge printr-un design cu dou\u0103 camere \u0219i o suflare deasupra capului, care asigur\u0103 piroliza dup\u0103 arderea gazelor.<\/p>\n

Acest principiu este implementat \u00een cazanele moderne pe pele\u021bi. De asemenea, este asigurat de un automat arzator pe peleti<\/strong> FOCUS<\/a>... Astfel, eficien\u021ba este sporit\u0103 de o serie de tehnologii.<\/p>\n

Trebuie remarcat faptul c\u0103 cazanele cu piroliz\u0103 func\u021bioneaz\u0103 numai pe tiraj for\u021bat din cauza presiunii aerodinamice ridicate. Este realizat ca extractor de fum sau ventilator pentru cazane mici.<\/p>\n

Cum se genereaz\u0103 c\u0103ldur\u0103 suplimentar\u0103 \u0219i principiul arderii pe termen lung a unui cazan cu piroliz\u0103<\/h2>\n

\u00cenainte de \u00eenceperea ciclului de ardere, combustibilul este \u00eenc\u0103rcat \u00een prima camer\u0103 de ardere. Dup\u0103 declan\u0219are, u\u0219a se \u00eenchide ermetic f\u0103r\u0103 alimentare cu aer. Combustibilul mocne\u0219te \u0219i se carbonizeaz\u0103 cu eliberarea de compu\u0219i gazo\u0219i. Aceast\u0103 reac\u021bie se nume\u0219te piroliz\u0103. Ca urmare a arderii, sau mai degrab\u0103 fum, se formeaz\u0103 hidrogen, monoxid de carbon \u0219i hidrocarburi volatile, precum \u0219i azot din aerul furnizat.<\/p>\n

\u00cen toate etapele pirolizei, c\u0103ldura este \u00eendep\u0103rtat\u0103 din combustibil \u0219i furnizat\u0103 sistemului de \u00eenc\u0103lzire.<\/strong><\/p>\n

Piroliza ulterioar\u0103 arderii gazelor, oferit\u0103 de proiectare, face ca intensitatea de ardere a arz\u0103torului de pele\u021bi s\u0103 fie mai mare. Din acest motiv eficienta cazanului pe peleti<\/a> se dovede\u0219te a fi mai mare, iar consumul de combustibil este mai mic.<\/p>\n

Piroliza este una dintre cele mai importante caracteristici tehnice ale cazanelor pe pele\u021bi.<\/p>","protected":false},"excerpt":{"rendered":"

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