Fbc boiler light up procedure in hindi

Checklist

Sabi main holes aur doors band kare
Sabi drivers id fan fd fan pa fan drag chain aur pocket feeders ko running condition me rakhe.
Sabi pneumatic damper id, fd, pa fans suction ke discharge damper aur fd, pa, compartmental damper ko proper se running condition me rakhe.
Sabi interlocking aur protections achche se check karle.

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afbc boiler coal size hona chahiye( 4mm se 6mm ) tak aur uss coal ki G.c.v 6000 Se 6600 k cal/kg tak hona chahiye.

afbc boiler bed material specification material ka size 0.85mm se 2.36mm aur particle density :2000kg/cu.m aur Bulk density 1000kg/cu.m aur chemical composition Alumina : 35% se 45% tak hona chahiye silica :55% se 65% tak hona chahiye aur Fusion temperature :1400 degree celsius tak hona chahiye.
25-liter kerosene ya Desiel rakhle (afbc)boiler start up karne ke liye ye required hai per startup afbc boiler.

Check karle Dm water ya Ro water available me rakh le aur feed pump check karle running condition me rakhle.

Furnace me bed material fill karne se pahele fd air nozzle saaf karle aur check karle maximum fd air flow furnace me phir fd compartmental damper aur pa damper open karle remaining closed per 10 se 15 minutes tak.

Bed materials fill Kare Aur uski height 220 mm se 240 mm aur wo air nozzle ke uper tak honi chahiye . Phire fd, id, pa, fans on kare bed achche se mix honeke baad air off kare phir uske baad pa damper close karke bed materials height check kare.
Furnace me bed materials check kare aur uske bad air on kare bed me dekhe air flow dhire se bada the rahe aur dekhe ki bed me smal bubbles form hora he hai aur bed material achche se mix huye hai tho sabi fans ko band kare abb boiler ready hai start-up Karne ke liye.

Boiler feed and blowdown water parameters

Boiler start-up Karne Ke Liye char coal ko mix kare kerosine se ya Diesel se mix Kare phire uske bad boiler furnace me charcoal achche se (uniformly) furnace me dale (spread) kare.

Ekk soaked cotton ko kerosine me bhiga ke Aag lagake Bed ke under uper me spread kare fire kare Yani boiler ko light up kare achche se fire hone ke baad id, fd, pa fans sequence control me rakhe aur phire discharged dampers open kare.

Phire assum kare vfd control vfd se control karthe huye open Kare discharged damper aur suction dampers.

Compartmentalized damper aur pa, fd, dampers aur Furface Draft - 0 Se - 1 {mmwc} millimeter of water column.

Aap physically check kare furnace me flame Agar bluish condition me hai dekhe aur achche se mix huwa hai dekhe furnace drafts ko 20 Se 30 seconds maintain kare 0 se - 1 mmwc tak.

Bed materials acheche se Air me mixing ho tho abb boiler furnace fluidization condition me hai.

Bed temperature bad rahan hai fuel ignition temperature 550-degree celsius Indian Coal me tho fuel feeding start karle Aur (PA) header pressure (800) mmwc tak maintain Kare aur wind box pressure above 280 Se 300 mmwc rakhe.

Fuel feeding Bed ke temperature ko Dekte huye increase yani badate rahe, Bed temperature 850 Se 900 degree celsius tak Aneke bad Boiler steam pressure 2.5 kg/cm2 tak Ane ke bad super Air went valve Band kare.

Boiler running condition proper charging se Chal Rahi hai tho Main steam stop valve full open Kare Aur startup vent ko band (close) kare.